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384
Bioluminescence discovered
Aristotle writes about bioluminescence as cold light that does not give off heat it combines chemicals to make light. -
Speed of light discovered
Olaus Roemer successfuly discovered and was the first to measure the speed of light. -
Monocle Invented
The first monocle was invented by a german and was originaly called an "eye ring". -
StopLights Invented
the first traffic signal was invented by J P Knight It wa sfirst installed outside the houses of parliment.
