Riddle #97. Some scientists believe that helium-3, a rare element found on the moon, could one day help solve the earth's energy crisis and also pay for mining the moon. But what is the main problem facing this idea?
— Dr. Michio Kaku (@michiokaku) May 6, 2019
via Twitter https://twitter.com/michiokaku
May 06, 2019 at 06:19AM
No comments:
Post a Comment