Blimps are used to studie air pollution.
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.
blimps are oval shaped
pollution ZION JOSEPH
Blimps use lighter than air gasses namely hydrogen or helium.
Modern blimps are used almost exclusively for advertising and/or sightseeing. Historically, blimps have also been used in military reconnaissance roles.
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.
Yes they do, as helium is lighter than air and blimps will float.
Modern blimps are used almost exclusively for advertising and/or sightseeing. Historically, blimps have also been used in military reconnaissance roles.
Blimps are filled with Helium which is lighter than air thus causing the blimp to rise like a hot air balloon. Hydrogen used to be used, however Hydrogen is highly flamable resulting in so major accidents.
Helium is generally used in helium balloons and blimps. Helium is lighter than air and these items will float in air
Blimps began to be used commonly during World War I, and are still in use today.