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• Hydrogen or Helium: Gas used for Flying Balloons

Hydrogen or Helium: Gas used for Flying Balloons

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A balloon filled with helium or hydrogen gas goes vertically upward into the sky. Does it infinitely keep on going up?

Man Gets Trapped More than 300km Away for Two Days in Untethered Hydrogen Balloon - Hydrogen Central

How to make gas balloon at home - [Flying Balloon]

Balloon Helium - ACE GASES MARKETING SDN BHD

Does a Balloon with Helium Rise Higher Than One with Oxygen?

Which gas is used to fill weather observation balloons? - Quora

Hydrogen filled balloon hi-res stock photography and images - Alamy

Why do balloons filled with hydrogen gas move up in the air?

The Science Of Helium And Why Global Supplies Are Running Low : Short Wave : NPR