Episode 132
Why does light bend under gravity?
Light is supposed to be massless so how is it that gravity makes a beam bend?
Question of the Week, from the Naked Scientists
January 24, 20114m 31s
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Show Notes
Light is supposed to be massless so how is it that gravity makes a beam bend? Plus, we ask what the hand wash adverts mean when they claim to kill 99.9% of known germs. Like this podcast? Please help us by supporting the Naked Scientists
Topics
cgermsnaked scientistskitchen science