There are lessons to be learnt from the way Dhaka became part of the intellectual map of the world.

This is the birthday of Albert Einstein, one of the greatest theoretical physicist of all time, the father of the general theory of relativity which is considered to be one of the two pillars of modern physics.

Ring-shaped, five-dimensional black holes could break Einstein's theory of general relativity, but there's a catch-it doesn't exists.

Relativity is now a centerpiece of modern physics, the reason GPS satellites and mobile internet exist, and why Einstein is easily the most famous scientist in history.But Einstein made plenty of errors and oversights, and sometimes, he was flat out wrong.

Albert Einstein's general theory of relativity is about to celebrate its 100th anniversary, and his revolutionary hypothesis has withstood the test of time, despite numerous expert attempts to find flaws.