Golden Age aug 25 1926 p.751
"Negative gravitation. You may have wondered how accidents will be avoided in Jesus Kingdom since we are told nothing will hurt or destroy. Scientists tell us there is enough atomic energy in one fingernail to propell a battleship. The people of the future may carry some of this power with them. If they fell down an elevator shaft they can let themselves down easy...then turn some MORE ON and go back up. No danger of falling down stairs..."