The third is related to his work on relativity theory.

Such is often the case, for instance, in relativity theory.

Then in 1905 came relativity theory and an entirely new way to look at space.

In special relativity theory, charge and current are combined into a 4-vector.

However, his philosophy had little in common with the physics of relativity theory.

Discusses the development of physics after his 1905 relativity theory.

There is a debate about the ontology of space in relativity theory.

This principle was very important to Einstein when he figured out relativity theory.

He wrote further important contributions to electromagnetism and also to relativity theory.

With the development of relativity theory in physics, this question became vastly more complicated.

But ET in principle did not yet take account of relativity theory.

Such slowing, called time dilation, is explained in special relativity theory.

This is true in special relativity theory, even though individually photons have no rest mass.

Fock made significant contributions to general relativity theory, specifically for the many body problems.

How well does such a radical departure hold up when viewed through the lens of relativity theory?

Relativity theory leads to the cosmological question of what shape the universe is, and where space came from.

Indeed, such a generalization is vital to relativity theory.

In relativity theory we often want to calculate the position of a point from a different reference point.

Important four-vectors in relativity theory can now be defined.

In 2005, it was announced that measurements had shown an excellent agreement between general relativity theory and observation.

Kantor was also heavily impressed by the development of relativity theory in physics.

There is a fundamental issue in Relativity theory.

This theory was for a single particle and derived from special relativity theory.

Relativity theory prohibits travel or communication faster than light.

According to relativity theory, that stirring action should send out a weak signal of gravity waves.