In the context of general relativity, space almost is a substance. It can bend and twist and stretch, and probably the best way to think about space is to just kind of imagine a big piece of rubber that you can pull and twist and bend.
Alan GuthRelated topics
almost bend best context general kind piece pull relativity space stretch wayRelated quotes
You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this And radio operates exactly the same way you send signals here, they receive them there. The only difference is that there is no cat.
Albert Einstein