The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
The cigarette lighter was invented before the match.
210
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
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Car airbags kill 1 person for every 22 lives that they save.
80
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
