The electric chair was invented by a dentist!
122
The life boat was patented in 1845!
29
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
More than a billion transistors are manufactured every second.
-25
The first alarm clock could only ring at 4 a.m.
120
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250