No, Albert Einstein did not explain gravity in terms of electromagnetism. His theory of general relativity, developed in 1915, presented a different understanding of gravity compared to electromagnetism. In general relativity, Einstein described gravity as the curvature of spacetime caused by the presence of mass and energy. This theory provided a new framework for understanding the behavior of massive objects and their gravitational interactions.
On the other hand, electromagnetism is a fundamental force of nature that describes the interactions between electrically charged particles and electromagnetic fields. It is governed by a different set of equations known as Maxwell's equations. While both gravity and electromagnetism are fundamental forces, they are distinct phenomena with their own mathematical descriptions.
It is worth noting that physicists have attempted to unify gravity and electromagnetism into a single, unified theory, often referred to as a "theory of everything." However, such a theory has not yet been successfully formulated and remains an active area of research in theoretical physics.