For a theory was developed when he was only 26 years old, Einstein’s General Theory of Relativity has held up pretty well. Recently the theory marked its 100th anniversary, and its job in building the relationship between matter and energy has been a crucial building block in important science that has came since.
To celebrate, the UK’s Science & Technology Council has produced a video that explains the general outline of the theory. And if you are a Doctor Who fan, you may be delighted to know that is narrated by none other than David Tennant.
