More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
Any modern jet is capable of breaking the sound barrier.
34
More than a billion transistors are manufactured every second.
-25
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
The first alarm clock could only ring at 4 a.m.
120
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60