helium balloon
41Foam balloon — A foam balloon is a special type of a gas filled balloon. Strictly speaking a foam balloon is not a balloon, as it has no envelope, but consists of an organic material up foamed with hydrogen or helium. Thus foam balloons cannot burst. However… …
42Alice's Balloon Race — est un court métrage de la série Alice Comedies sorti le 15 janvier 1926. Sommaire 1 Synopsis 2 Fiche technique 3 Commentaires 4 …
43skyhook balloon — noun : a large semitransparent helium filled high altitude plastic balloon used to carry instruments aloft for the study of cosmic rays * * * skyhook balloon, a large, open necked plastic balloon used to carry scientific instruments for making… …
44pilot balloon — A small rubber balloon filled with hydrogen or helium. It ascends at a uniform and known rate (i.e., 500 ft/min). A theodolite tracks the balloon, and the wind velocity is thus determined at various levels …
45Da Vinci Project — The da Vinci Project was a privately funded, volunteer staffed attempt to launch a reusable manned suborbital spacecraft. It was a contender for the Ansari X PRIZE for the first non governmental reusable manned spacecraft. The project is based in …
46Aerobot — An aerobot is an aerial robot, usually used in the context of an unmanned space probeWhile work has been done since the 1960s on robot rovers to explore the Moon and other worlds in the Solar system, such machines have limitations. They tend to… …
47David Hempleman-Adams — David Kim Hempleman Adams, LVO, OBE, CStJ, DL (born 1956 in Swindon, Wiltshire) is a British adventurer. He is the first person in history to reach the Geographic and Magnetic North and South Poles as well as climb the highest peaks in all seven… …
48ARCA (NGO) — ARCA Type Private Industry Aerospace and space tourism Founded 1999 …
49AERIAL SPORTS — ▪ 1994 The realization of an 11 year old girl s transcontinental flying dream and two more frustrating setbacks in the round the world hopes of a balloonist marked the year 1993 for better and worse in aerial sports. Victoria Van Meter of… …
50Neon — This article is about the noble gas. For other uses, see Neon (disambiguation). fluorine ← neon → sodium …
