Take the weekend off and smell the physics


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  1. I’ll show up for that — all term.

    Comment by Claire: rebellious pink pig with car keys - and a *cause* — June 9, 2019 @ 6:54 am

  2. Neat! Wish I could remember how to deal with the numbers of that, but it’s been way too long ago.
    Describing the patterns numerically would be a great exercise for STEM students.

    Comment by dick, not quite dead white guy — June 9, 2019 @ 11:00 am

  3. Not as cool but when I was a kid I went to a museum a couple times, I can’t remember which one but it was either in Albany, NY or NYC.
    They had a dome with a weighted rope, pendulum, hanging down with a ring of cones around it in the rotunda.
    In the morning they would start it.
    As the day progressed it would sweep around the circle knocking down the cones. 6 hours later it was 1/4 of the way around the circle.
    It didn’t move, the room did the object in motion tended to stay in that motion.
    Smart guy that Newton.

    Comment by Veeshir — June 9, 2019 @ 6:08 pm

  4. ^ Yeah, I liked that one as a kid, but I thought it proved the Earth was flat or something.
    Dunno, I paid more attention to the cutie with the saddle shoes and braids.

    Comment by DougM (speak three names) — June 9, 2019 @ 6:21 pm

  5. ^^ Foucault pendulum proved the earth rotates. The table turns with the earth under the pendulum while the pendulum’s motion remains its same fixed spatial plane.

    Comment by dick, not quite dead white guy — June 9, 2019 @ 9:34 pm

  6. Thanks Dick, you beat me to it. I remember seeing one of those myself. Big tall thing, and a little spike under the ball would knock over dominoes as the earth went around. It would swing for hours.

    Comment by drew458 — June 10, 2019 @ 11:14 am

  7. Foucalt! I knew that but totally forgot.
    And he’s my favorite sciencey/math guy whose name sounds like a cuss too.

    Comment by Veeshir — June 10, 2019 @ 10:33 pm

  8. I bleeve the pendulum you’re talking about is (or was) at the Smithsonian in DC. (At least the one I saw was.)

    Comment by rickn8or — June 11, 2019 @ 9:38 am

  9. Here’s a nerdy vid that shows a pendulum-day in only a few minutes.
    Y’might also learn why clockwise is clockwise. I did.

    (Everybody knew a pendulum-day’s length varies by latitude, right?)

    Comment by DougM (speak three names) — June 11, 2019 @ 12:36 pm

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