Calculate 66+935+1389
FUNNY MATH: Calculate 66+935+1389Correct answers: 26
The first user who solved this task is Sanja Šabović.
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Laser patentIn 1967, a U.S. patent for "Ruby Laser Systems" was issued to Theodore Maiman (No. 3,353,115), for which he had applied on 13 Apr 1961. He had first operated a laser based on a ruby crystal on 16 May 1960, at Hughes Research Laboratories in Malibu, California. |