After the party, as the couple was driving home, the woman asks her husband, "Honey, has anyone ever told you how handsome, sexy and irresistible to women you are?"
The flattered husband said, "No, dear they haven't."
The wife yells, "Then what the heck gave you THAT idea at the party tonight?"
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. |
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