Mining asteroids is probably just a pie in the sky idea
It's hard enough mining on Earth, particularly when shafts such as Mponeng reach 4km underground
There is bold talk of mining asteroids, but the technology to mine in hostile environments on Earth is proving to be just that – talk.
A website called Interesting Engineering says asteroid mining has been spoken about by “famed futurist Peter Diamandis, astrophysicist Neil Degrasse Tyson and financial firm Goldman Sachs”.
The latest company to smack hard into the realities of mining a difficult environment is Canada’s Nautilus Minerals, which has gone into administration. Nautilus raised millions of dollars to mine minerals 1.4km deep off the coast of Papua New Guinea, but the project failed...