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To my knowledge helium is the only practical lift element for blimps. Hydrogen actually works better than helium, and it is cheaper, but it is highly combustible and not used anymore.

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Q: What gas is used in blimps today and why?
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A flammable gas once used to fill blimps?

Hydrogen is not used in blimps any longer because it is flammable and dangerous (see: Hindenberg)


Has helium ever been used in blimps?

Yes, helium has been used in blimps as a lifting gas. Helium is less dense than air, which allows it to provide buoyancy and help the blimps stay afloat. However, today, most blimps use a combination of helium for lift and air for control and propulsion.


What are two differences between the good blimps of today and the airships Hindenburg?

Today's blimps are not filled with flammable hydrogen gas like Hindenburg was, but normally the non-flammable helium.


When were blimps used?

Blimps began to be used commonly during World War I, and are still in use today.


What gas law is used in flying blimps?

Bitties law


How are zeppelins used today?

Are now known as blimps, they are more used for advertising purposes.


Can gas be used to levitate an object?

Yes, this is the basic principle of blimps and balloons.


How do blimps fly?

They are filled with helium gas. They used to be filled with hydrogen gas but that proved to be deadly at times.


What are two differences between the goodyear blimps of today and the airship Hindenburg?

Size and type of gas contained in the envelope.


What is the noble lightweight element used by goodyear?

Goodyear is well known for its blimps. In order for these blimps to float, they contain a lighter than air gas. Hydrogen is to dangerous for this purpose, so helium is used. Thus, helium is the noble gas used by Goodyear.


Why do they use helium gas in blimps?

Helium has a low density and causes balloons and blimps to float


How do blimps affect the way we travel or communicate today?

Blimps are obsolete nowadays. Blimps were always a danger to air travel, as well as its passengers. An example of the dangers of blimps was the Hindenburg tragedy.