• Archangel1313@lemmy.ca
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    2 days ago

    A flashlight still lights up the whole room, even if it’s just pointed at one wall. It’s not like half the room is totally dark, while the other half is totally bright.

    • Honytawk@feddit.nl
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      2 days ago

      Only because light bounces around.

      If you do so outside, the light disappears into space.