Energy is being wasted if a toaster is left plugged in after use.
21
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
Any modern jet is capable of breaking the sound barrier.
34
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25
Originally, Nintendo was a playing card manufacturer.
70
