Comment on Since light cannot pass through a black hole does that mean light has mass? Also why does light form a singularity in a black hole? Is that like a fixed point on a map or something?

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skankhunt42@lemmy.ca ⁨2⁩ ⁨hours⁩ ago

So I’m just an idiot when I guess if a battery is good by weight vs other batteries I have. Two heavy ones must be good!

Maybe I should actually get a battery tester…

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