EPISODE · Jan 24, 2011 · 4 MIN
Why does light bend under gravity?
from Question of the Week, from the Naked Scientists · host Dr Chris Smith
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
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Why does light bend under gravity?
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