helium balloon
1helium balloon — balloon that is filled with helium …
2Tethered helium balloon — A Tethered helium balloon is a helium filled gas balloon which is tethered to the ground, or to a road vehicle, by a steel rope and raised and lowered by a winch. Tethered or Static Helium BalloonThe tethered passenger helium balloon were very… …
3Balloon — A balloon is a flexible bag filled with a type of gas, such as helium, hydrogen, nitrous oxide or air. Early balloons were made of dried animal bladders. Modern balloons can be made from materials such as rubber, latex, polychloroprene or a nylon …
4Balloon (aircraft) — Ballooning redirects here. For the behavior of spiders and other arthropods, see Ballooning (spider). Not to be confused with Airship or Blimp. Balloon …
5balloon flight — ▪ aviation Introduction passage through the air of a balloon that contains a buoyant gas, such as helium or heated air, for which reason it is also known as lighter than air free flight. Unmanned balloons have been used to carry meteorological… …
6Balloon boy hoax — The balloon boy hoax occurred on October 15, 2009 in Fort Collins, Colorado, when Richard and Mayumi Heene allowed a gas balloon filled with helium to float away into the atmosphere, and then claimed that their six year old son Falcon was inside… …
7Helium — Hélium Traduction à relire Helium → …
8Hélium 4 — Hélium Traduction à relire Helium → …
9Balloon mail — refers to the transport of mail (usually for weight reasons in the form of a postcard) carrying the name of the sender by means of an unguided hydrogen or helium filled balloon. Since the balloon is not controllable, the delivery of a balloon… …
10balloon — [bə lo͞on′] n. [Fr ballon, altered (after balle) < It pallone, large ball < palla, ball < Langobardic * palla (OHG balla), BALL1] 1. an airtight bag that rises and floats above the earth when filled with hot air or a gas lighter than air …
