A small airplane can fly backwards.
75
Mico headphones read your brainwaves and select music based on your state of mind.
7
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
More than a billion transistors are manufactured every second.
-25
Sony researchers have developed a refrigerator that only opens when you smile.
9
Kleenex tissues were originally used as filters in gas masks.
46
Energy is being wasted if a toaster is left plugged in after use.
21
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12