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Why do you think the black box with the black hole will gain mass over time?

AFAIK:

On the contrary it will lose mass over time due to Hawking Radiation and evaporate eventually (though that might take literally forever).

Also spacetime curvature will be slightly different for point mass vs distributed mass.

Well, does school education always has to align with current professional trends? There are professional degrees and colleges for that purpose.

Today trend is data science, it was car and motors in 50s, electronics in 90s. Should you change school education just for that?

I believe school education should tell us more about world around us. That includes science, art, languages, history, geography.

Why do we have this notion that having school education should always help us in our career in some way (money, progression etc).

Why not just learn about the world around us? Being all-round human being is also a good.

Moti = Pearl in Hindi/Urdu

I think that's why it is used in cataract where eyes look like pearls.

So the meaning depends on which context you used the word in.

Wow, and here I thought writing sudoku solver in Java is a tough task.

I always thought we have photographed black holes. Any idea/link to article where it explains why this took so long and why it was difficult?

On a side note: What is the Latex font name used in this document (Published by Shinichi Mochizuki)?

Looks really nice to eye.

Not sure how long this would take to be commercially available. But when and if it does it would change the way we use internet.