The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
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
More than a billion transistors are manufactured every second.
-25
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Attics were invented in Attica.
43
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
A small airplane can fly backwards.
75