A paper clip float

Missile

Make a phone call with your blackberry

Make a free call using fring

Matchstick rockets

Make a match rocket

Insert an animated gif on your desktop

Homemade catapult

Increase adsense profit

Locate centroid of the given triangle

Make a chest board

CPR and use an AED

Hearing aid

Hack a vending machine

Hack a coke machine for change

A dry ice bomb

A floating candle

A harmless fake virus

A laser sword in photoshop

A card jump without touching it

Neck and head massage

Getting free drinks

Free drinks

Thai massage

Movies on your ipod by youtube

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