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Telescope
Galeleio galeleio invented the telescope -
Cotton gin
Eli Whitney invented the cotton gin -
Storm locomotive
George Stephenson invented the storm locomotive -
sewing machine
elias howe invented the sewing machine -
safety pin
walter hunt invented the safety pin -
dynamite
Alfred nobel invented the dynamite -
telephone
Elisha Gray invented the telephone -
motion pictures
louis lumiere invented the telephone -
air conditioning
willis carrier invented the air conditioning -
airplane
the wright brothers invented theairplane -
telivision
philo fransworth invented telivision -
frozen foods
clarence birdseye invented frozen food -
tape record
clorence, and Aeg companies invented the tape record -
atomic bomb
robert oppenheimer invented the atomic bomb -
compact disc
sony company invented the compact disc