U.S. watches helium stockpile dwindle
Sunday, July 17, 2011 - 13:00
in Physics & Chemistry
AMARILLO, Texas, July 17 (UPI) -- U.S. officials say the world's supply of helium is steadily dwindling and can't be replaced.
AMARILLO, Texas, July 17 (UPI) -- U.S. officials say the world's supply of helium is steadily dwindling and can't be replaced.