This weekend is the mid-season finale for "Dr. Who".
It's titled: "A Good Man Goes to War".
To say I'm jazzed about this episode (especially given how "The Almost People" went) would be understating things a tad.
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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