What Happens to a Helium Balloon in Freefall? What Happens to a Helium Balloon in Freefall? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts South Pole Construction Nightmare 3 Very Mysterious Things The Egyptians Knew The Moon Terminator Illusion Air Quality: A Tale of Three Cities This notebook can be wiped clean and digitally scanned P vs. NP and the Computational Complexity Zoo