6 ms·
In the book "The Moon is a Harsh Mistress" (1966), an electromagnetic catapult is used to deliver goods from the Moon to Earth. It is similar to what you descr
by borlak 13y ago
In the book "The Moon is a Harsh Mistress" (1966), an electromagnetic catapult is used to deliver goods from the Moon to Earth. It is similar to what you described -- just a really long tube (or rail) at the highest elevation possible.