Submitted by AlarmingAffect0 t3_yheipf in askscience
fastspinecho t1_iugnpx7 wrote
Reply to comment by Aquatic-Vocation in Is there such a thing as a gamma radiation mirror? by AlarmingAffect0
Keep in mind that a wall is mostly empty space. It's the electrons in the wall that stop you from walking through it.
AlarmingAffect0 OP t1_iui1m2d wrote
… You can tell an insight is really clever when it's
- illuminating
- obvious in retrospect
- would never have occurred to you to phrase it that way.
Thanks for the idea.
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