The first alarm clock could only ring at 4 a.m.
120
Car airbags kill 1 person for every 22 lives that they save.
80
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
All GPS units sold in the civilian market have to be programmed to deactivate themselves if they detect they are travelling faster than 1200 MPH or are above 60,000 feet in altitude to prevent them being used in intercontinental ballistic missiles.
2
The average car produces a pound of pollution every 25 miles!
18
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4