1. Közösség
2. General Khan Academy Questions

I have a theory I would like to point out about the "Is Sal" black hole badge. What if it is possible to get this badge? I think it may be a badge which will go to the next owner/CEO/leader of Khan...

1. Közösség
2. General Khan Academy Questions

All the black hole badges are much more mysterious then comprehended.  What may happen if all of them are achieved? If they are achieved, will we be able to sal khan himself, or will we get an awar...