Why is it difficult even today to land on the Moon when the US did it almost 50 years ago with 50 year old technology?
In: Engineering
Basically none of the relevant physics or technology changed much in those 50 years, so it’s just as hard now as it was then
The US didn’t maintain the capability, so it must be mostly reinvented from scratch to do it again – the plans either don’t exist or reference parts and materials that are no longer made, at least in those exact versions; people left, aged or passed away
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