The first alarm clock could only ring at 4 a.m.
120
Any modern jet is capable of breaking the sound barrier.
34
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Jumbo jets use 4,000 gallons of fuel to take off.
19
Sony researchers have developed a refrigerator that only opens when you smile.
9