Tag Archives: gravity

Quantum Man

Posted on December 30, 2022 by arjaybe

This week’s reading is Quantum Man by Clifton Rumsey. Its themes are gravity, Hawking radiation, Planck’s constant, probability, superposition, tunneling and Young’s double slit experiment. Length about eight-and-a-half minutes. Listen to this and other stories on the Audio page. rjb

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Tides

Posted on March 1, 2013 by arjaybe

Humans have long known of the link between the Moon and the tides. We’re learning that it’s not only the ocean that’s affected. To picture the effect of the Moon’s gravity on the planet Earth, draw two lines starting at … Continue reading →

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Dark Flow

Posted on January 11, 2013 by arjaybe

The known universe is about 27.4 billion light years across. It’s thought that the universe is bigger than that, possibly a lot bigger, but we can’t see farther than 13.7 billion light years in any direction. Our knowable universe is … Continue reading →

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