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There are also a lot of YouTube videos on the experiment:
https://www.youtube.com/watch?v=7ReBJfxHjFU
https://www.youtube.com/watch?v=iOFveSUmh9U
https://www.youtube.com/watch?v=NgGLFozNM2o
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pull down to refresh
There are also a lot of YouTube videos on the experiment:
https://www.youtube.com/watch?v=7ReBJfxHjFU
https://www.youtube.com/watch?v=iOFveSUmh9U
https://www.youtube.com/watch?v=NgGLFozNM2o
That link is "gold"