Travel by bubble might seem more appropriate for witches in Oz, but two physicists suggest that a future spaceship could fold a space-time bubble around itself to travel faster than the speed of light.
We're talking about the very distant future, of course.
The idea involves manipulating dark energy — the mysterious force behind the universe's ongoing expansion — to propel a spaceship forward without breaking the laws of physics.er:
Answer: I believe that all of those are correct answers.
Explanation:
Answer:
It depends on the question
Explanation:
I believe that the answer is Urea.