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Gia Linh Luu

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last 3 solved tasks
Until I am measured, I am not known. Yet how you miss me, When I have flown! What am I?
I am a potato's favorite tool and I give him a lot of power. You can sit with me all day but when my energies drain my partner would only respond to your touch. What am I?
I have keys, but no locks. I have space, but no room. You can enter but not exit. What am I?

Samuel Williams

Born 23 Apr 1743; died 2 Jan 1817 at age 73.American natural philosopher and clergyman who organized the first expedition of its kind in the U.S. (departing on 9 Oct 1780) to observe a total solar eclipse in Penobscot Bay, Maine, although it was held by the British enemy. The eclipse was very slightly less than being total, and he is believed to be the first to observe the “ Baily's Beads” phenomenon seen along the sun's last sliver. Previously, with John Winthrop (under whom he studied) he travelled to St. John's, Newfoundland (1761) to observer the Transit of Venus. When Wintrop died, Williams succeeded him (1779) as the Hollis Professor of Mathematics and Natural Philosophy at Harvard University. He researched and taught astronomy, meteorology, and magnetism. He resigned in June 1788. He also engaged in state boundary surveys: NY and Mass. (1785-88), and Vermont and Canada (1795).«[Image drawn from a miniature.]

Celebrity jokes-Hit with a guitar

Q: What do call it when Eric Clapton hits your car with his guitar?
A: A FENDER BENDER!
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