Comment on The Photodegradation Ball

ChaoticNeutralCzech@feddit.org ⁨2⁩ ⁨weeks⁩ ago

The thumbnail did not load and I thought photodegradation ball was the object described in the second question on the xkcd’s What If? Short Answers page:

What if you shined a flashlight (or a laser) into a sphere made of one-way mirror glass?

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