太空电梯 – 1 层
24-04-2024 15:00
人们用火箭进入太空。这并不便宜。火箭很重。它们需要大量燃料才能升空。前往月球或火星需要花费数百万美元。
长期以来，科学家们一直在考虑太空电梯。电梯利用地球引力。但是人们没有合适的材料和技术来建造它。没有足够坚固的材料。
一个想法是使用碳纳米管。这种材料看起来像管子。它由许多碳原子组成。纳米碳管比其他材料更坚固。但有一个问题。数百万物体在大气中飞行。即使人们建造了电梯，这些物体也可能会损坏它。
您可以在第 3 层部分观看原始视频。
保护太空电梯免受大气层中物体损坏的潜在解决方案有哪些？
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