• 8 months ago
Ever wondered how safety glass keeps us from turning into human pinatas? Turns out, it's all about those sneaky layers – when it breaks, those layers hold the shattered bits in place like a boss, keeping us safe from flying glass shrapnel. Crazy, right? But hey, that's just the tip of the iceberg! We've got a bunch more mind-blowing facts waiting to be unleashed, so get ready to have your mind twisted into a pretzel! Once you hear these tidbits, you won't be able to resist sharing them with everyone you know. Trust me, you're in for a wild ride! Animation is created by Bright Side.
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Category

😹
Fun
Transcript
00:00 Cotton pads have two sides and if you take the time to look at them carefully, they're actually different in texture
00:05 Just in case you've ever wondered why the textured side is for applying makeup and the even side is for removing it
00:12 Book worms this one is for you
00:16 Dust jackets that come with a lot of hardcover books are not just meant to make your book look pretty
00:20 They also double as a bookmark. Just fold the pages. You've already read underneath the inside of the jacket and voila
00:28 Next time you reach out for your favorite shirt. Take a look at the top buttonhole. It should be stitched horizontally
00:33 And all the other ones are vertical
00:36 Turns out that the dress shirt was designed this way since the first and the last buttons were the first ones to unbutton
00:42 Throughout the day
00:44 They then change the direction of the buttonhole to ensure the shirt would stay nice and fitted before you're ready to take it off
00:50 These days we have so many variations of this awesome dessert that it's hard to imagine we've ever lived without it
00:57 You can find different types of cookie dough ice cream or even chocolate chip cookie cake basically everywhere
01:03 But the famous cookie wasn't actually invented until 1930
01:07 The story goes that a woman named Ruth Graves Wakefield was preparing some chocolate cookies as she was waiting for some guests to arrive
01:14 She soon figured out she was out of Baker's chocolate a crucial ingredient for the classic cookies to fix things up
01:21 She chopped up a block of semi-sweet chocolate
01:23 Thinking it would eventually spread out evenly throughout the batter given the heat of the oven things didn't necessarily go as planned
01:30 But hey, it's great. They didn't because this is how she invented this modern dessert. We now can't get enough of and
01:36 Speaking of popular snacks the potato chip is even younger than the chocolate chip cookie
01:42 Well at least historically there are many stories trying to explain how it was invented
01:48 One of them goes like this a chef named George crumb based in New York put the chips together in
01:54 1953 he decided to try a different cooking solution when one of his customers didn't have nice things to say about his french fries
02:02 He said they were too thick and kind of mushy
02:05 Then crumb came up with potatoes that were thinly sliced and fried until brown
02:10 People absolutely loved the dish and they welcomed the first ever batch of chips with open arms
02:17 Ice cream anyone if the story is true back in 1904 at the st.
02:22 Louis World's Fair one ice cream shop owner ran out of cups to serve his dish
02:26 So he fashioned a waffle into the shape of a cone and the rest was history
02:31 Okay, I'll admit it chewing gum like treats have been around since the ancient Greeks
02:37 so this one isn't particularly a revolutionary discovery, but the actual gum we buy today wasn't there until the late 1800s an
02:46 American inventor named Thomas Adams wanted to mix together different chemicals to create rubber
02:51 He tried and failed for that matter to play with chicle for his experiment, but ended up fashioning this neat treat
02:57 They still use chicle to this day to produce most chewing gums
03:00 Back in the 1800s there lived a man named Jean-Baptiste Joly who worked in the fabric industry as a textile maker
03:08 How he came up with this next invention that we use a lot these days has less to do with him and more to do
03:14 with his maid
03:16 The story goes that the woman accidentally knocked a kerosene lamp over onto a tablecloth
03:21 Instead of getting upset over the damaged fabric
03:24 Jolly noticed that the substance actually made the material cleaner
03:28 Figured it out yet. Yep
03:30 That's how the idea for the very first dry cleaner popped up a very neat accident if I do say so myself
03:36 Now this one I loved did you know matchsticks were initially called friction lights?
03:43 Or at least that's how their inventor a chemist named John Walker called them back in
03:47 1826
03:49 He scraped a stick coated in chemicals across his hearth totally by accident one day and realized that they ignited and created a spark
03:57 Initially made out of cardboard. They were then made using wooden splints and sandpaper
04:03 Back in the 1940s a man named Harry Coover stumbled upon a chemical formulation that seemed to stick to everything it touched
04:12 The scientific community at the time didn't look much into it as the formula didn't seem to have many applications back then
04:18 It wasn't until 1951 that he looked a bit more into the formula and decided to repurpose it
04:25 Along with a fellow Eastman Kodak researcher named Fred Joyner. They gave it a proper full name
04:31 But you must know it by the shorter version
04:33 super glue
04:36 It also has many uses in security these days that it's hard to believe that we didn't come up with this one on purpose
04:42 Back in 1903 a scientist named Edward Benedictus knocked over a flask by accident
04:49 He looked down and was amazed to see that the glassware had just slightly cracked but maintained its shape
04:55 He was expecting it to break into a million tiny pieces
04:58 Curious about this hidden feature
05:00 He looked into it and figured out what was keeping the glass together was a substance coating the inside of the glass
05:06 Tada, that's how humanity came up with safety glass
05:10 Many shirts have two buttons on the cuffs, but only one buttonhole. So what is the second button for?
05:19 Turns out you can use it whenever you're wearing a watch. So the cuff is looser
05:26 Most clothing items you buy come with a small bag of fabric or a button or both
05:31 Buttons obviously can be used as a replacement if you lose the original ones
05:36 Pieces of fabric can be used to patch up a hole, but most importantly it's a tester
05:42 You can use it to test different washing products on it and see what happens to the fabric
05:47 Some umbrellas have a tip at the top and it turns out it's not just a pretty design
05:55 When going inside on a rainy day
05:57 You should just close your umbrella and tap the tip against the floor to drain the water faster and more effectively
06:03 Many backpacks have this diamond with two parallel cutout slits on its front and it's there for your comfort
06:11 You can attach something to it like a water bottle or shoes
06:16 It comes especially handy if you travel somewhere or go hiking so you don't have to hold your stuff
06:24 Okay, the next thing is gear loops and probably from the name of it
06:28 You already have an idea what they're there for you can strap in some useful gear
06:32 You need to have with you like trekking poles or shovels
06:36 Some gear will need to be secured to do it drop the handle through the loop and rotate it upward
06:42 Then secure it with the elastic hook at the top and you're golden
06:47 On the back of many makeup and hygiene products you can find this symbol with a marking like 6m
06:54 12m and 24m
06:57 This is the number of months this product can serve after you open it and before you should throw it out
07:04 the two sides of a cotton pad are different because each of them has a particular purpose a
07:11 Cotton pad has several layers to ensure that it's soft strong and can absorb liquids
07:17 The edge is stitched to hold it all together
07:20 the smooth side of a pad is for applying products like tonics and lotions and
07:25 The embossed side is best for cleansing and makeup removal
07:29 Also any pack of cotton pads has those strings on the sides
07:35 They're there so you can hang the package somewhere
07:38 Then you can open the package at the bottom where the perforated line is and take them out
07:45 Did you know that there is an efficient way to pull a thread from yarn when you pull from the outside?
07:50 The yarn rolls away, so you need to hold it. However, if you pull it from the center, it will stay together
07:57 We're all familiar with staplers, but I bet you don't know all its secrets
08:03 Most staplers have a compartment to store spare staples, which can be located either on top or at the bottom
08:12 Also surprise this metal plate you press staples against can be turned around
08:16 This way the device will be able to staple your documents by turning the metal ends outwards
08:22 No need to wonder whether you need to get a smaller or bigger container turns out plastic food containers have volume measurements on their bottoms
08:32 Indicating how much food they can fit
08:36 Ceiling fans come with a small switch on the inside of the blade
08:39 You might not have noticed it because it's not in plain sight. So check yours out
08:44 This switch allows you to change the direction of rotation
08:48 Now, why would you want to do that?
08:50 The blades of a fan push the air in different directions
08:54 Depending on the way they rotate in the summer you need the air to be pushed down to create the effect of a breeze
09:02 In the winter the direction should be changed so that the air is pushed towards the ceiling
09:08 It then heats up before going down the walls
09:11 Have you noticed that the gas tank sign on cars dashboards has a little arrow next to it
09:18 Well, this arrow has a purpose it points at the side of the car where the gas tank is located
09:25 It's very useful for forgetful people who constantly wonder where their gas tank is and also for those who drive rental
09:32 Once in a while, the answer is right in front of your eyes
09:35 If you can't find the arrow on your panel, then the fuel hose on the icon indicates the side instead
09:42 All car tires have 12 digit numbers printed on them and they're actually important codes for car owners if they want to get the right tire
09:52 the first letter
09:55 identifies the type of tire P stands for a tire for light passenger cars and
10:00 LT is for heavy vehicles
10:02 Then the following numbers stand for the width of the tire its radial and its diameter
10:09 Measuring tapes have that metal stud on the end which you can use to attach the tape to the surface you measure
10:16 This way you don't need to hold it yourself
10:19 But there's also a small slot which can be used to hang the tape on a nail again to free your hands and keep measuring
10:27 I bet that's not what you imagine when you think of cashews, but a redditor found them like this in a store in Brazil
10:35 It turns out they're not true nuts
10:37 Cashews emerge at the tip of a cashew apple
10:40 There's a special word for a fruit with a seed inside a droop. So cashews are droops just like almonds and pistachios
10:48 Brazil is the homeland of cashews
10:51 The tree was brought to India by the Portuguese in the middle of the 16th century and from there
10:56 It spread further to Asia and then to West Africa
11:00 Today, these regions are the largest producers of cashews. The biggest consumer is the USA
11:06 They get 90% of the world's harvest
11:09 Since we're talking about foods. I'll show you a couple more
11:13 This for example is how pineapples grow. Also pineapples aren't one of those fruits that grow fast
11:20 They take from 16 up to 24 months to grow until they can be harvested
11:24 Also, one plant can only produce a maximum of three pineapples during its lifetime
11:29 Fun facts every segment of a pineapple used to be a flower. Have you ever wondered why eggplants are called eggplants?
11:37 Well, you've probably never seen an eggplant growing. So here's a picture now. It makes sense. They literally look like growing eggs
11:46 Also eggplants aren't vegetables. Botanically, they're berries just like watermelons
11:51 Also eggplants aren't only purple. They can also be white green and even purple with white stripes
11:57 You'll never guess what it is. It looks like a flower bouquet, but it's broccoli that hasn't been harvested
12:05 Those flowers are actually edible
12:07 Broccoli has been known for at least 2,000 years. It was the favorite food of the ancient Romans
12:13 But it appeared in North America only in the 1920s
12:16 Italian immigrants were the ones to bring it to California and start selling it
12:21 Now the USA is the third largest producer of broccoli after China and India
12:26 And this is what an artichoke turns into if you let it bloom
12:30 So an artichoke is actually an unbloomed flower
12:34 It's also one of the oldest foods humans know
12:38 Remember that a pineapple takes around two years to produce a fruit and a plant can only carry three pineapples during its life
12:44 If you're lucky an artichoke plant grows 20 artichokes per year
12:49 The artichoke is one of the healthiest vegetables when it comes to antioxidants
12:53 Here's a photo of a sleeping turtle. Many of them sleep inside their shells. It's an instinct to protect themselves from predators
13:02 Still some turtles can't retract to their shells. So they sleep in positions similar to this one
13:08 These animals are active during the day and sleep at night
13:11 The amount of sleep a turtle needs depends on the species
13:14 It can be from 10 hours to just one on average a turtle takes a 4 to 6 hour long nap
13:20 The most important factor for a turtle when it goes to sleep is to find a safe place
13:25 They can hide under leaves or in holes in the ground
13:27 Have you ever seen a chameleon's feet? You're welcome
13:32 So those guys have two toes on the inner side of the foot and three on the outer side when we talk about front feet
13:38 And it's the opposite for the back feet
13:41 Chameleons live on trees and their feet help them climb better
13:45 We all know about chameleons unique ability to change colors, but they don't change them to camouflage in reality
13:52 The color depends on the chameleon's mood temperature humidity and light
13:57 Also, do you know that some of them have tongues that are twice as long as their body?
14:02 Ever seen a goose mouth from up close? They have teeth
14:06 Only they're called beaks
14:09 Goose are very loyal creatures. It's not a myth that a duckling bonds with the first moving stimulus
14:14 They see after hatching no matter if it's a goose a person or even just an object
14:19 They will stay dedicated to that lucky creature or thing throughout their lives
14:24 He's also mate for life and they're very protective of their offspring if they lose a loved one
14:29 they mourn them also if a goose in a group gets sick or wounded a
14:33 Couple of other geese will stay with it to protect and take care of it
14:37 This cute little buddy is a newborn alligator
14:40 But don't be tricked by its cute appearance. This little dude has around 60 teeth already
14:46 Also, it's not the DNA that determines the gender of an alligator
14:50 It's the temperature if eggs were laid when it was hot male alligators will hatch if they stayed in colder temperatures
14:57 Then there will be a bunch of females after hatching. It takes an alligator 10 years to mature
15:03 Overall alligators live around 35 years in the wild. Also alligators can't live in saltwater
15:10 Unlike crocodiles. They don't have special glands to excrete salt from their bodies and
15:16 This one is a newborn pigeon. I bet you've seen thousands of pigeons in your life, but probably never a newborn one
15:23 That's because newborn pigeons stay in the nest for around six weeks
15:26 Which is longer than any other bird by the time they're out. They almost look like grown-up pigeons
15:32 So no wonder you've never noticed the difference
15:34 Also, these guys are possibly the first birds domesticated by people
15:39 They are also experts in navigation. They can find their way back home from
15:44 1,500 miles afar. It's more than the distance between New York and Florida
15:48 It's believed that pigeons have an innate sense of direction back in ancient times pigeons actually delivered mail
15:55 You might have noticed that sometimes there are ridges in toothpick tops
16:00 It's more hygienic because when you break that off you can prop the toothpick up on it and it won't touch anything
16:09 Another safety feature you'll find this time in your car is a tab on your rearview mirror
16:15 With it you can change the position of the mirror
16:18 So you don't get blinded if there's a car behind you with its high beams on
16:22 So this little tab helps you control the glare of lights coming from behind
16:26 This feature showed up in the 1930s
16:29 But in the early 1970s it became a part of standard equipment in most trucks and cars
16:36 Do you see that tiny hole on your iPhone right next to the rear-facing camera
16:41 It's a microphone and it's there so your phone can record sound as you turn your camera around
16:46 Some cables have a thick cylinder towards the end of the cord. It's called a ferrite core or a choke
16:55 It's a magnetic iron oxide that stops high-frequency electromagnetic interference
17:01 For example, you know that annoying static noise you get if you bring your phone too close to a speaker
17:07 This interrupts your call which is why cable cords with big cylinders are pretty useful because they prevent these things
17:14 Do you know why nearly all luggage bags and backpacks have two zippers
17:20 It's way more convenient and easier to open in that way
17:24 But not just that you can also lock these two zippers together to keep the stuff inside your bags safer
17:31 You know how toilets at public spots like malls have those big gaps at the bottom
17:37 It's primarily for better circulation of air
17:40 This type of door also makes it easier to clean the toilet or check if it's occupied if you're standing in line
17:47 Other than that if you get stuck there and the lock gets broken you still have a way to escape you can just crawl out
17:55 Ever notice those plastic end caps on utility knives
18:00 And they also have scales on them which indicates you may use them multiple times, but with sharp edges
18:07 You can separate the blades through these plastic end caps. Then you can move the slider and bring the sharp blade to the front
18:15 If you've ever taken a moment to examine a regular grocery cart
18:20 Especially their fold-out section. You probably noticed those metal loops jutting out
18:25 They're designed to protect the items you carry in your cart
18:29 You can use them to hang bags with soft items
18:32 You don't want to accidentally squish with heavier products like bread or easily breakable things like eggs
18:39 Many coffee mugs come with curved notches on their bottom when you're washing your mugs
18:46 Put them against the rack at an angle in your dishwasher
18:49 This way the water won't pool in there
18:51 So your favorite cup will be completely dry by the time you take it out of the dishwasher
18:57 If you're a McFlurry fan, you've probably noticed there's a square hole in the handle of the spoon
19:03 It's there so you can attach it to the special machine that mixes the ice cream and your favorite toppings together
19:09 the machine has a bar that slips into this square shaped spoon and then thoroughly stirs it and
19:15 You get the spoon so they can minimize the mess during the process quite neat wouldn't you say?
19:22 A regular milk jug has a dent on one side
19:27 Some might see it as a random design decision, but a dent has several purposes
19:32 One of them is to get bigger if there's a gas buildup
19:35 This happens when your milk is spoiled
19:38 So you don't even have to try to check this out
19:40 Also, the dent is there so the jug doesn't burst if you accidentally drop it
19:46 The dent allows the expansion space that deals with the sudden pressure that happens when you drop the jug
19:54 Dental floss sure it's important for your dental health and it's easy to assume what you do with it
19:59 But dental floss is great in the kitchen as well
20:02 Because it's a very precise cake slicer way better than a regular knife
20:07 Most kitchen shears have a serrated opening right there at the center where the blades and handles meet
20:15 It's something you can use to trim difficult herbs such as rosemary thyme or chives
20:22 Because of this opening you don't need to pick the leaves off by hand, but de-stem them in one motion
20:27 The majority of gelatin containers or single serving yogurts come with a tinfoil lid and
20:35 In most cases you can use this covering as a disposable spoon
20:39 Just peel away the covering and after a couple of simple folds, you'll have a perfect little spoon for your midday snack
20:48 Those little red spots you sometimes see after you crack an egg are nothing to be worried about
20:53 Tiny blood spots can be caused by a small rupture in a blood vessel of a hen as it was laying the egg
21:00 Eggs with these blood spots are safe to eat, but that spot can be removed if you want
21:05 It won't affect the taste of the egg. Oh, that's comforting
21:08 Hidden within the Toblerone logo of the mountain is the image of a bear standing on its hind legs
21:16 About to eat that yodeler over there. No, not really
21:19 This is because bears are a big part of Bern one of the biggest cities in Switzerland where the founder created the triangular chocolate tree
21:27 Toblerone is also a play on the founders family name Tobler and the Italian word Toron for honey and almond nougat
21:36 The space below a cup of noodles is there to protect the noodles during transport this technique is called a middle suspension
21:45 Not only are they protected better in their styrofoam cup, but it also helps those noodles soften more evenly and quickly
21:52 Even though you might have noticed that the hole on the barrel of ballpoint pens has no purpose it does
21:59 It's called a venting system which helps the ink flow more smoothly
22:03 This way an even amount of air pressure is created inside and outside the pen allowing the ink to flow into the point easily
22:12 It's not an accident that soy sauce bottles have two spouts
22:16 The sauce is liquid and it flows out of the bottle pretty quickly once you turn it over
22:20 Most Asian food lovers will admit they've spilled it at least once in a lifetime
22:25 That's why nowadays restaurants prefer serving soy sauce in special bottles that have two spouts
22:31 This design allows you to control when and how much sauce will come out
22:36 Just put your finger on one spout while you pour the sauce through another
22:40 If you press your finger tightly to the spout the sauce will stop flowing and if you remove your finger
22:46 It will flow again, and please do not remove your finger in a restaurant. It will freak everybody out
22:52 You've probably noticed that train and bus seats are covered in fabrics with weird patterns any idea why?
23:00 They use these patterns to cover any germs and stains on the seat
23:04 Oh boy, the brighter the color and the more patterned it is the harder
23:09 It will be for a passenger to notice any stains and get grossed out
23:12 Also, the patterns are usually so ugly that no one even wants to look at them for long enough to spot any stains
23:19 So yeah, the pattern is there to make you look away
23:22 And if you look to make it less noticeable, no bus will ever have plain white seats. That's a guarantee
23:31 The middle tab on soda cans can be flipped around you can slip a straw in place
23:36 So you don't have to hold it up your mouth this stay on tab replaced the pouring tab created in the early 60s
23:42 You remember those don't you those could be quite sharp and easily discarded where they could be a menace for others
23:48 Now you can pop your straw straight into one also means you can produce some bubbles and make a mess like a three-year-old
23:57 Sometimes when you purchase an article of clothing you receive a plastic baggie with an extra button and a swatch of fabric
24:05 While the fabric is clearly used to patch holes
24:07 It can also be used to test the effects of various cleaners on certain surfaces
24:12 It's handy to to test wash cycles before using them to wash the whole garment
24:17 Escalators have those fluffy black brushes for a similar reason that some have yellow lines on their steps
24:25 To try and deter people from getting too close to dangerous places
24:29 People don't always take notice and sometimes clothing can drape close to the point where the step meets the edge or skirt
24:37 The brush is a little barrier to help prevent this from happening
24:41 They can also catch bits of fluff and prevent other small things from falling down into the gaps
24:46 Those takeaway containers most associated with Chinese restaurants are designed to not only carry your food home
24:55 But to store it in the fridge
24:56 They double as a plate as you can eat straight out of them and don't have to worry about dirty dishes
25:02 Yeah, they were actually patented way back in
25:05 1894 to transport freshly shucked oysters and were known as oyster pails
25:11 They were later adapted to use as leak proof containers for food
25:14 Ever wondered why coins have those little ridges along the edge. It's a leftover from earlier times when they were worth more
25:24 Counterfeiters could easily file the edges off to sell as gold or silver coins to make some profit
25:29 The ridges were created so it was much easier to tell which of the coins had been altered
25:34 It's not needed today, but the coins still have that altered style
25:38 All crackers and some cookies have holes to make sure the final product has the right texture
25:46 These teeny tiny holes allow steam to escape so your crackers and cookies won't snap
25:52 If it weren't for these holes also known as dockers
25:55 Steam would build up inside the tree and the final result might have been scrumptious, but it would have been rather oddly shaped
26:02 Dogs like to walk in circles before snoozing because they inherited this behavior pattern from their ancestors
26:10 There were no special doggy beds back then
26:12 So most pooches would have to push down tall grass to make a sort of snoozing spot
26:18 Plus as a bonus those movements scared off all the critters lurking in the vegetation
26:23 Donuts are ring-shaped for a similar reason if they hadn't had holes right in the center
26:29 The dough there would have always been undercooked
26:32 By the way, they're often associated with the police because back in the 1950s donut shops were among the only places
26:40 Openly they were a perfect place for police officers to grab something to eat and even deal with some paperwork during the night shift
26:48 Your jeans are blue on the outside and white on the inside because of a smart way to weave the fabric
26:55 The warp thread is dyed while the weft thread has no color. It's just white
27:01 This way manufacturers reduce the amount of dye needed for each piece of clothing and they're still dying to make the jeans
27:11 Road and construction workers are usually dressed in orange because the bright orange hue is visible even in bad weather
27:18 It's the most effective color to attract attention and alert people. No wonder lots of safety jackets and traffic cones are orange as well
27:26 The stop sign has an eight-sided shape to help drivers recognize it easily
27:30 Even if they see it from the back and when the signs weren't reflective yet
27:34 The octagon shape prevented drivers from confusing the stop sign with any other at night
27:40 The rumble strips on the side of the road are placed there to alert drivers who doze off behind the wheel
27:45 When their tires move over these strips the noise and vibration work like an alarm clock
27:51 There are magnetic locks on fuel hoses at gas stations
27:55 They come in handy if someone drives away with the gas nozzle still attached to their car in this case
28:00 The lock detaches the hose automatically. Oh, that's embarrassing
28:04 Gasoline looks like a rainbow in a puddle because it can't mix with water
28:08 It forms a thin membrane over it when light reflects from it and the water at the same time. You've got a rainbow a
28:16 Triple handle on a jerry can is there to make it easier for two people to carry it and distribute fuel evenly
28:23 Gas cans often have a second hole that actually needs to be uncapped too before you pour the gas
28:29 The air passage will prevent it from pouring out. So no more fuel waste
28:34 Most gas cans have two holes with caps a bigger and a smaller one
28:38 You're supposed to uncap the smaller hole before pouring gas inside the bigger one
28:43 It'll prevent the liquid from glugging and spilling all over your clothes and the ground
28:48 Another little thingy we often neglect is a point on an ointment cap
28:52 most tubes are usually sealed with a plastic film or a foil and opening it with your fingernails isn't the best idea a
28:59 Point easily opens even the most safely sealed tube
29:04 You can use most screwdrivers together with a wrench to create more torque
29:08 Just place the wrench over the handle of the screwdriver this way
29:13 You'll need to apply a lot less force than before you'll also be able to get to hard-to-reach areas more easily
29:19 They install cameras in shops banks and hospitals to monitor everything
29:25 If something happens you can call the police or rescuers the camera really helps to solve a lot of problems
29:31 Why are there no cameras on planes?
29:34 The crew keep order on the plane, but they won't be able to do anything if something serious happens
29:39 Besides there's nowhere to run on the plane during the flight the cameras are useless and after the flight
29:47 The words of the passengers work ideally instead of cameras. So if cameras do no good then why spend money on them?
29:54 Water is great at cleaning stuff because it has triangular molecules
29:59 They're made of one oxygen and two hydrogen atoms
30:01 H2o such molecules have slightly different charges on their opposite sides pretty much like magnets
30:08 That's why water easily sticks to other molecules including those that make up dirt
30:13 Lots of private houses have triangular shaped roofs because this allows rain snow and fallen leaves to slide off the slope
30:21 If all this stuff piled up on top of your house one day your roof would collapse
30:27 When a storm is coming clouds seem to turn dark, but it's just an illusion
30:31 Thin clouds on a sunny day let the light through easily. They also scatter all the colors of the light spectrum
30:38 This makes us perceive the clouds as white
30:40 But the thicker the clouds are and the more water droplets they contain the less light they let through and the darker they look a
30:47 Good doorknob is the one made of brass bronze or some copper alloys
30:53 These metals have an anti germ effect
30:56 Bacteria spread way slower on them. They also get rid of germs pretty fast within a couple of hours
31:03 Nope, it doesn't mean you don't have to wash your hands
31:06 Diamonds have such symmetrical shape to show you their brilliance initially the gems aren't so beautiful
31:12 They go through several stages of cutting and then become pieces of elegance
31:17 Most of these stones have a round shape with slightly pointed corners
31:21 Diamonds shine the brightest in this shape
31:25 Why are there two holes in the socket the left hole is neutral the right hole is not and the gap underneath is ground
31:33 Electricity needs to flow through the chain
31:36 The current flows from the hot slot passes through your phone charger for example, and then goes through the neutral hole
31:43 Ever wondered what that small pocket on your jeans is for people used to wear watches on chains that small pocket was meant for it
31:52 Now almost no one wears such a watch, but the pocket remains you can still keep something small in there like a ring
31:58 In London there are some poles that look like street lamps, but there are no bulbs
32:04 Well their official name is stink pipes, and they're a thing of the past now
32:08 But they used to come in handy back in the 19th century
32:11 These hollow poles would vent away the air and explosive gases with bad smells to prevent shall we say unwanted consequences
32:21 Most kitchen shears have metal plier like teeth in the middle between the handle grips
32:26 They can help you crack nuts crab shells and other tough products
32:29 You can also open jars and bottles or remove herb stems with their help
32:34 Leather often looks dull to the eye because it's covered with itsy-bitsy scratches and scrapes
32:40 They scatter the light that hits the material when you coat your shoes in a layer of wax you fill these tiny crevices
32:48 The surface becomes smoother and the rays of light bounce off it more evenly. That's why the leather looks shiny
32:54 Highlighters are filled with a special semi-transparent fluorescent ink that can glow in dim light
33:01 Yellow and light green hues are the most popular because they don't prevent you from seeing the text after black-and-white photocopying
33:09 Photocopiers perceive yellow and light green marks as very pale and don't print them
33:15 They make magnets shaped as a horseshoe because this increases the magnetic force
33:19 Colors matter to the blue part indicates the South Pole the red part the North Pole
33:25 The two poles work simultaneously and increase the attraction force. Okay
33:30 I know it's kind of cold to the touch especially on a freezing winter's day
33:34 But did you know that brass doorknobs actually serve a purpose apart from looking classy and shiny since it's a copper alloy brass has
33:42 Antimicrobial properties that means it can help get rid of harmful germs and bacteria sometimes in up to two hours in
33:48 High traffic areas, that's all the more useful
33:51 But since brass is much costlier than other metals like nickel and steel you barely see these types of doorknobs anymore nowadays
33:58 Speaking of lovely multi-purpose items most screwdrivers have a tiny little secret of their own
34:04 They can sometimes be slid through a wrench so that they can be used to create more torque when twisting
34:10 Not to mention the uses when it comes to bolts in hard-to-reach places
34:13 There's a reason why buttons on women's shirts are for the left-handed and it has nothing to do with fashion
34:20 This practice dates back to the times when chambermaids were helping ladies dress themselves
34:25 And it was easier for them to perform their job with this orientation
34:29 Having the buttons placed as such indicated a sign of wealth
34:34 So it's easy to imagine why the practice carried on even though most people dress themselves nowadays
34:39 Next time you receive a package in your mail
34:42 Take a look at your box cutter if it features some diagonal lines on the blade you're in for a little design perk
34:48 Turns out that these are blades that snap off
34:51 Continuously cutting cardboard can dull the sharp edge of the blade
34:55 To help prevent the need to buy a brand new box cutter the top segment along the next line can be broken off to reach
35:01 a new sharp edge
35:03 To do this check out the small hole at the base of the tool sometimes called the blade snapper
35:09 The people that first came up with this brilliant invention were engineers inspired by the way chocolate bars are segmented
35:15 Hold on a minute. Don't throw away the cardboard package just yet
35:19 Most likely you'll have some silica gel packets somewhere at the bottom of the box
35:23 Since this gel is basically a drawing tool it gathers up the moisture out of its environment
35:28 So you can store these packets for further occasions whether you'll need to dry out your phone or some other electrical object
35:35 You can place them in a container next to the silica gel to reduce the damage
35:39 You don't have to be a mechanic to know when a standard car tire needs replacing since they come equipped with a neat indicator
35:46 Take a closer look and you'll see that treads within the tire are a bunch of rubber notches
35:52 When the treads are evened out with the perpendicular bars
35:55 It's a sign you need to book an appointment with your local car service
35:59 Since most likely the tires have lost most of their traction and may not be safe for driving any longer
36:05 The upper corners of a car windshield feature textured black dots melted into the glass edges
36:11 This neat add-on isn't there for design purposes
36:14 It's called Frit Glazing
36:16 Which means that a special type of ceramic paint is added to the window for protecting its sealant from UV rays
36:23 It also conceals and creates a coarser surface for the adhesive used to set the window in place
36:31 Whenever you're up for a drive, check out if there's a small tab under your car's rearview mirror
36:36 Bet you didn't know it's there to help switch the mirror from daytime to nighttime views
36:42 It uses a prismatic glass technology to blur the reflection and reduce the glare of headlights behind you in traffic
36:49 People came up with these manually tilted mirrors in the 1930s, but they became standard somewhere in the 1970s
36:57 While you're in the car, check out the headrests as you most likely don't know that they carry a little disguised purpose
37:04 Of course, they're adjustable to accommodate passengers of any height so that they get the proper support for their heads and necks
37:10 The hidden feature is that they are detachable and come with two very solid metal bars
37:16 Should you ever find yourself stuck in a car and need to make a fast getaway?
37:20 These bars come in handy to crack out the car windows
37:25 So you're out for a drive and you're suddenly out of gas
37:28 What I'm about to describe sounds more like a meme than an actual situation bound to happen
37:32 But what if you're in such a hurry that you accidentally drive off with the gas nozzle still in the tank?
37:39 Well, the nozzles have been designed to prevent any hazards from happening. Rest assured
37:44 They feature a breakaway device that will allow the hose to separate when taken out with enough force
37:51 Initially designed in the early 20th century to be worn exclusively by basketball players
37:55 Sneakers soon became one of those fashion fundamentals similar to jeans and leather jackets
38:01 If you take a closer look at them, you'll see they have two extra holes on the side
38:05 Similar to the shoelace holes. They're manufactured as such not only to provide extra ventilation
38:11 But to allow people to get extra creative with their laces when wearing the shoes
38:16 Admit it, you've always thought that chopsticks are merged at the end for the sole purpose of keeping them together until you're ready to dig
38:22 Into your meal. That may or may not be the whole truth
38:25 Under a more detailed inspection, the wooden tools feature a square shaped end
38:30 Chopsticks manufactured like this date back to an old Japanese traditional design which can help with breaking the ends easily
38:38 The separated end can then be used as a resting block for the chopsticks to keep it more sanitized in hopes
38:45 It can be used again since they won't be touching the table or any other surface
38:49 Women's bikes have a special design which surprisingly has a historical and fashionable purpose
38:56 The lower frame is for the most part meant to make up for the generally shorter height of ladies
39:01 Compared to that of the average gentleman while that is the case for handlebars and saddles
39:06 The overall frame is lower for an additional purpose way back when women wore long skirts and dresses all day
39:13 Every day they needed to make sure their outfits wouldn't get caught in the frame
39:17 That's how we came up with a lower framed bicycle perfectly made for women and their needs at the time
39:23 The fact that toothpastes are multi-colored is not just a nice perk to make dental hygiene more fun
39:30 There's a secret meaning related to each of the colors which dates back to the 1970s
39:35 in those days people grew more and more interested in their oral health care and
39:40 As such they were looking for products which could do more than merely clean their teeth
39:45 One company was the pioneer in that regard adding mouthwash to its toothpaste meaning the blue strip
39:51 They later added on the red strip meant to feature ingredients which helped with gum care
39:57 Speaking of toothpaste check the cap next time you open a new tube. You may be in for a little surprise
40:04 There's a pointed cone shape inside the cap so you can puncture the seal of the toothpaste without cutting yourself or ruining your manicure
40:11 Not to mention it's more hygienic since you won't be able to transfer germs or other bacteria into the product itself
40:18 On the subject of bathroom countertop items
40:21 Toothbrushes come with a neat add-on hidden in the bristle patterns apart from making the toothbrush look cooler
40:28 They also do come with a practical purpose
40:31 Most toothbrushes come with a pattern of blue bristles intertwined with white ones
40:35 The blue dye is meant to fade out signaling the time when you need to replace your toothbrush
40:40 Dentists say that toothbrushes should be replaced every three to four months, but it does serve as a great reminder in case you forget
40:48 Still love playing with Lego?
40:50 Don't judge. Hey, it's a great hobby for all ages. Notice. There's a hole on top of the Lego heads
40:56 Behold you're looking at a safety feature that the people at Lego designed to prevent choking hazards
41:02 That's it for today
41:04 So hey
41:04 If you pacified your curiosity then give the video a like and share it with your friends or if you want more just click on
41:10 These videos and stay on the bright side

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