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Find number abc

If 866ac - aa480 = 311bc find number abc. Multiple solutions may exist.

Correct answers: 12

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I wasn't originally...

“I wasn't originally going to get a brain transplant, but then I changed my mind.”

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Light theory

In 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.

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