Now you Know

Invention : loudspeaker
Year : 1924
Inventor : chester w. rice, edward w. kellogg
Country : us.

Invention : magnetic resonance imaging (mri)
Year : early 1970s
Inventor : raymond damadian, paul lauterbur
Country : us.

Invention : margarine
Year : 1869
Inventor : hippolyte mege-mouries
Country : france.

Invention : matches, friction
Year : 1827
Inventor : john walker
Country : england.

Invention : metric system of measurement
Year : 1795
Inventor : french academy of sciences
Country : france.

Invention : microphone
Year : 1878
Inventor : david e. hughes
Country : uk/us.

Invention : microscope, compound optical
Year : c. 1600
Inventor : hans & zacharias jansen
Country : the netherlands.

Invention : microscope, electron
Year : 1933
Inventor : ernst ruska
Country : germany.

Invention : microwave oven
Year : 1945
Inventor : percy l. spencer
Country : us.

Invention : miniature golf
Year : c. 1930
Inventor : garnet carter
Country : us.

Invention : mirror, glass
Year : c. 1200
Inventor : venetians
Country : italy.

Invention : missile, guided
Year : 1942
Inventor : wernher von braun
Country : germany.

Invention : mobile home
Year : 1919
Inventor : glenn h. curtiss
Country : us.

Invention : money, paper
Year : late 900s
Inventor : -
Country : china.

Invention : monopoly (board game)
Year : 1934
Inventor : charles b. darrow
Country : us.

Invention : morse code
Year : 1838
Inventor : samuel f.b. morse
Country : us.

Invention : motor, electric
Year : 1834
Inventor : thomas davenport
Country : us.

Invention : motor, outboard
Year : 1907
Inventor : ole evinrude
Country : norway/us.

Invention : motorcycle
Year : 1885
Inventor : gottlieb daimler, wilhelm maybach
Country : germany.

Invention : mouse, computer
Year : 1963-64
Inventor : douglas engelbart
Country : us.

Fact
The # symbols is often referred to as a "number sign" or "pound sign." Its actual name is an octothorpe .. More >>