Some Inventions are simply better left uninvented:
Black highlighter
Waterproof tea bags
Braille driving manual
Dehydrated water
Screen door on a submarine
Helicopter ejection seat
Air conditioning for motorcycle
Left handed pencil
Wooden barbecue
Glow-in-the-dark sun dial
Gasoline fire extinguisher
Battery-powered battery charger
Clear correction fluid
Fake rhinestones
Fireproof matches
Glow-in-the-dark sunglasses
Mesh umbrella
Solar-powered flashlight
