The life boat was patented in 1845!
29
Energy is being wasted if a toaster is left plugged in after use.
21
The ball on top of a flagpole is called a 'truck'.
24
More than a billion transistors are manufactured every second.
-25
Car airbags kill 1 person for every 22 lives that they save.
80
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Jumbo jets use 4,000 gallons of fuel to take off.
19
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308