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:
The Pacific Ocean touches the west of South America
Metamorphism (the process called intrusion)
Answer:
True, because Egypt is mostly desert so its population grew along the Nile River because it was a water source. Everywhere else is uninhabited.
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Explanation:
