13137. Invention

Invention : lawn mower, gasoline-powered
Year : c. 1940
Inventor : leonard goodall
Country : us.

13138. Invention

Invention : lego
Year : late 1940s
Inventor : ole kirk christiansen
Country : denmark.

13139. Invention

Invention : light bulb, incandescent
Year : 1879
Inventor : thomas alva edison
Country : us.

13140. Invention

Invention : light bulb, fluorescent
Year : 1934
Inventor : arthur compton
Country : us.

13141. Invention

Invention : light-emitting diode (led)
Year : 1962
Inventor : nick holonyak, jr.
Country : us.

13142. Invention

Invention : linoleum
Year : 1860
Inventor : frederick walton
Country : uk.

13143. Invention

Invention : lipstick, tube
Year : 1915
Inventor : maurice levy
Country : us.

13144. Invention

Invention : liquid crystal display (lcd)
Year : 1963
Inventor : george heilmeier
Country : us.

13145. Invention

Invention : lock and key
Year : c. 2000 bc
Inventor : assyrians
Country : mesopotamia.

13146. Invention

Invention : locomotive
Year : 1829
Inventor : george stephenson
Country : england.

13147. Invention

Invention : longbow
Year : c. 1000
Inventor : -
Country : wales.

13148. Invention

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

13149. Invention

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

13150. Invention

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

13151. Invention

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

13152. Invention

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

13153. Invention

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

13154. Invention

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

13155. Invention

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

13156. Invention

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

History Facts
The Chinchorro people of Chile mummified their dead 8,000 years ago.They cut off the arms and legs, removed and smoked the skin, strapped sticks to the bones and replaced all the soft parts with grass and ashes, then put the whole body back together and painted it.      .. More >>