Find the 7 letters word
Find the 7 letters word. Word may go in all 8 directions.Correct answers: 56
The first user who solved this task is James Lillard.
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Light theoryIn 1827, William Rowan Hamilton presented his Theory of Systems of Rays at the Royal Irish Academy in Dublin. Although he was still an undergraduate, only 21 years old, his work is one of the important works in optics, for it provided a single function that brings together mechanics, optics and mathematics. It led to establishing the wave theory of light, which gives that light is a form of energy that travels in waves. |