There's a resource in lunar soil so valuable it could ignite a 21st century gold rush. At a reported value of $20 million per kilogram, this material is roughly 150 times more valuable than gold due to its potential use in fusion power plants, cooling for quantum computers, and its current use in detecting attempted smuggling of nuclear materials for national security purposes. Seattlebased startup Interoon is one of a handful of space resource extraction companies aiming to harness this material to establi ...