Jumbo jets use 4,000 gallons of fuel to take off.
19
Energy is being wasted if a toaster is left plugged in after use.
21
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Originally, Nintendo was a playing card manufacturer.
70
The electric chair was invented by a dentist!
122
The life boat was patented in 1845!
29