Whale oil was used in automobile transmissions as late as 1973.
56
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
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Sony researchers have developed a refrigerator that only opens when you smile.
9
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
Energy is being wasted if a toaster is left plugged in after use.
21