Whale oil was used in automobile transmissions as late as 1973.
56
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Sony researchers have developed a refrigerator that only opens when you smile.
9
Kleenex tissues were originally used as filters in gas masks.
46
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
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 cigarette lighter was invented before the match.
210
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47