The Helium in Macy's Thanksgiving Day Parade Balloons Could Power Some Sweet Science
The annual Macy's Thanksgiving Day Parade in New York City uses roughly 400,000 cubic feet of helium gas in total to inflate its iconic giant balloons. Besides being lighter than air and nonflammable-hence its practicality for balloons-helium is incredibly useful as a superconducting agent, making it crucial to many...