The first alarm clock could only ring at 4 a.m.
120
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Car airbags kill 1 person for every 22 lives that they save.
80
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
Originally, Nintendo was a playing card manufacturer.
70