To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
A small airplane can fly backwards.
75
Energy is being wasted if a toaster is left plugged in after use.
21
More than a billion transistors are manufactured every second.
-25
Any modern jet is capable of breaking the sound barrier.
34