Whale oil was used in automobile transmissions as late as 1973.
56
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
A small airplane can fly backwards.
75
A toaster uses almost half as much energy as a full-sized oven.
33
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
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
