Here's a question you've probably never considered: Why are all electrons the same? Every electron in the universe has exactly the same mass, exactly the same charge, and if you think about it, there's no reason why they'd have to be. In 1940, physicist John
A previous video from RealLifeLore explored what will happen to our home in the universe over the next billion years. But a billion years is hardly the end of time, as is proven in this video about the next 100 trillion years of the universe. As