More importantly, scientists are already queuing for seats on these low-gravity space-flight services so they can collect data during a few minutes of weightlessness.

更重要的是，科学家们已经在排队争取这些低重力太空飞行服务的座位了，这样他们就可以在几分钟的失重状态下收集数据。

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In loop quantum gravity, space is thought of as woven from one-dimensional "threads."

在回圈量子引力理论中，空间被想象成是由一维的“细线”编织在一起的。

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Imagine that this is in outer space where there is no gravity for now.

就假设现在这是在没有重力的外太空

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This will allow people to experience artificial gravity in space, which may be important for long-term missions to places such as Mars.

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In the zero gravity of space, we could manufacture in 30 days lifesaving medicines it would take 30 years to make on Earth.

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Albert Einstein published his theory of general relativity in 1916, offering a description of gravity, space and time that transformed how scientists understand the physical laws governing the known universe.

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