Last time, we saw that Einstein explains the falling of the apple by the upwards acceleration of the ground. This is Einstein’s happiest thought. But wouldn’t this imply that the surface of the Earth is expanding outwards? Well, no. Why? Because of spacetime curvature! At last, this video explains how Einstein’s gravity really works.
More on Science4All
Spacetime of General Relativity Spacetime of General Relativity
By Lê Nguyên Hoang | Updated:2016-01 | Views: 13124
Most popular science explanations of the theory of general relativity are very nice-looking. But they are also deeply misleading. This article presents you a more accurate picture of the spacetime envisioned by Albert Einstein.
Space contraction and time dilation | Relativity 6 Space contraction and time dilation | Relativity 6
By Lê Nguyên Hoang | Updated:2016-03 | Views: 0