weird@sub.wetshaving.social to memes@lemmy.world · 1 个月前This is the hardest concept to understand in physicsimagemessage-square109linkfedilinkarrow-up1728arrow-down16
arrow-up1722arrow-down1imageThis is the hardest concept to understand in physicsweird@sub.wetshaving.social to memes@lemmy.world · 1 个月前message-square109linkfedilink
minus-squareSippyCup@feddit.nllinkfedilinkEnglisharrow-up5·1 个月前A hollow sphere. You could picture this as a spherical cow of uniform density if you prefer.
A hollow sphere.
You could picture this as a spherical cow of uniform density if you prefer.