What a day!
Ups-and-downs in all sorts of corners of my life.
Doesn't help that I've ingested more sugar than usual and it's making me a bit spazzy.
I'm glad I'm working an irregular schedule this week.
The Mercury Wave is Like a Pendulum Wave, But Vertical
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Marcel Clemens made what he calls a mercury wave. Small bottles are
suspended on springs, each of them carrying a slightly different amount of
mercury....
2 hours ago
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