linking Earth to space that could launch us to orbit at a fraction of the cost and slingshot us to other worlds at record speed.The Japan-based company Obayashi Corporation thinks it has the expertise.In a report that same year, the company said it would begin construction on the US$100-billion project by 2025 and could start operations as early as 2050.
While Ishikawa said the company likely won't start construction next year, it is currently"engaged in research and development, rough design, partnership building, and promotion," he told Business Insider."That said, there are some people who are real scientists who are really on board with this and really want to make it happen," Johnson said.. It takes a lot of fuel to get to space, but the fuel is heavy, which increases the amount of fuel you need.
To withstand the tremendous tension it would be under, the tube would have to be very thick if it were made out of typical materials, like steel. However,"if you try to build it out of steel, you would need more steel than exists on Earth," Johnson said.It's much lighter and is less likely to break under tension compared to steel, so the space elevator could be much smaller, Johnson said. But there's a catch.
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