This is a pretty interesting video about fungi. Even though Richard Hammond is pretty cool, he does confuse speed with acceleration. When you say "fastest in the world," I expect you to talk about the ...

Newton's Second Law states that force equals mass times acceleration. This can be investigated using a set-up like this one. You can use this set-up to investigate how changing two separate factors, ...

Researchers have proposed an idea that could explain Oumuamua's acceleration It's possibly from the outgassing of molecular hydrogen "It's exactly what should happen to interstellar comets," study ...