mathematic

Note that the sun is too small to become a black hole.

Eddington experiment had nothing to do with the "size" of the photon.

General relativity can't be used for something as small as an electron - quantum theory conflict.

3 SAT problem ???????

For this to happen (moon breakup) you need a very large object - much bigger than known asteroids. If it does happen, the result depends on size of the big rock, how fast it was moving, impact direction, etc.

\( x^i=e^{iln(x)}=cos(ln(x))+isin(ln(x)) \)

Instructions should include how to bracket statements. math and /math inside [] works. Does anything else?

dy/dx is a symbol for the derivative - it is not a ratio.

Get Brady to age faster.

What's beautiful?

13 billion years ago "we" were not 13 billion light years from the galaxies we are seeing now. The universe has been expanding all along, so it has taken that long for the light to catch up to us.

Because it is nonsense.

Dark matter is (as far as we know) matter and subject to gravity like ordinary matter. Dark energy is sometimes considered negative gravity.

You need a better translation. "this sentences" should be "this sentence" or "these sentences". "about for that" is meaningless.

Why 7x-2x? The congruence question is 7x and 8x,

The image is unreadable! Try writing it in directly.

First comment applies to this statement.

This is all too cryptic.

I have no idea what you are trying to say. Do you?

Standard formula would be n(n+1)/2 -k(k-1)/2.

The paper is basically flawed. All it does is count all reals with finite decimal expansions - a countable list, but certainly not all reals. ! Moderator Note Merged with the open thread on this subject

The most important math background would be differential geometry.

Cosmic rays may not be a serious problem. The Apollo program did not concern itself with them.

The world is a physcial entity. The things you mention are possible mathematical models.