Recent content by enigma

  1. enigma

    30 years after warp drives were proposed, we still can't make the math work

    Maybe I'm being a bit too simplistic, but A) the universe is about 13.7 billion years old, B) the universe is about 91 billion years across. This implies that much (most?) of the universe has expanded faster than light. Now, the standard explanation is that all of these galaxies are traveling at...