from the mining-the-moon dept.
astroengine writes "The United States is currently recovering from a helium isotope crisis that last year sent low-temperature physicists scrambling, sky-rocketed the cost of hospital MRI's, and threw national security staff out on a search mission for alternate ways to detect dirty bombs. Now the panic is subsiding, what is being done to conserve, or replace, helium-3?"
"Today's robots are very primitive, capable of understanding only a few
simple instructions such as 'go left', 'go right', and 'build car'."