A small airplane can fly backwards.
75
Whale oil was used in automobile transmissions as late as 1973.
56
The electric chair was invented by a dentist!
122
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
Energy is being wasted if a toaster is left plugged in after use.
21
Originally, Nintendo was a playing card manufacturer.
70
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4