BlackHole

In 2003 they announced that the speed of gravity is c but i think there was experimental bias. The issue is not completely solved yet.

The speed of gravity is also a problem. According to special relativity no useful information can be transmited faster than light but it appears gravity can.

True, all physical theories are our interpretation of nature. The problem is with Schroedinger's equation. It is not relativistic, reducing to Newtonian mechanics rather than relativistic mechanics in the correspondence limit.

I'm not sure whether our present understanding of electromagnetism is correct. I'll have to work on Maxwell equations. According to the BBT, 70% of the universal energy density is in the form of dark energy but no one knows what it is.

Depends what you mean by "evidence". In cosmology all observations make use of prior assumptions. I might be able to give mathematical evidence that gravity is not space curvature.

Dr. Swansont, do you agree with me that gravity is not a geometric phenomenon?

I might be totally wrong here but i think curvature is not the source of gravitation. It's something with the quantum vacuum.

I know it's a half-baked assumption but i think gravity is a force.

I'm not sure that the equivalence principle holds true in all reference frames. From the equivalence principle we get the stress-energy tensor which states that energy gravitates.

Since the earth's center is also the center of mass, gravitation in the center should be zero (the forces cancell out). However i believe gravity has something to do with the vacuum. If light (or any electromagnetic radiation) is not effected by gravitation then all we need is a vacuum theory.