A Russian man is building his own subway. His name is Leonid Murlyanchik. After his retirement, Leonid decided that he wanted better transportation. So he filed some papers, and drew up some plans, and bought some materials. And now he's started digging.
We don't know much, but what a hobby this is! This man is building a bloody subway! By himself! [English Russia]
You've no doubt heard of the speed of light. It is the fastest speed possible for any physical object. But have you heard of the speed of dark? Darkness is the absence of light, but what if that wasn't the whole story? Here's Michael of Vsauce explaining the theory: Read more