Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
In the early 1960's, Porsche commercially manufactured farm tractors.
24
More than a billion transistors are manufactured every second.
-25
The cigarette lighter was invented before the match.
210
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
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12