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Mar 16, 1490
stove
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hot comb
Madame CJ Walker invented the hot comb in this year. -
Light Bulb
Thomas Edison in 1879 -
Hula Hoop
Arthur "Spud" Melin and Richard Knerr, -
Cell phone
Martin Cooper in 1973 -
computers
Charles Babbage -
Internet
Vint Cerf and Bob Kahn
