Wow, what a blast from the past!
I still have a hard time seeing the wisdom of vertical rock crushers, at least on Earth. There may be more applications for them in low-gravity environments like the moon.
I still have a hard time seeing the wisdom of vertical rock crushers, at least on Earth. There may be more applications for them in low-gravity environments like the moon.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
Albert Einstein
Albert Einstein
