Fun Science Facts
by gowtham[ Edit ] 2010-02-11 12:14:10
Sterling silver contains 7.5% copper.
Cars were first made with ignition keys in 1949.
J.B Dunlop was first to put air into tires.
Alexander Graham Bell, who invented the telephone, also set a world water-speed record of over seventy miles an hour at the age of seventy two.