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  2. Explorer II - Wikipedia

    en.wikipedia.org/wiki/Explorer_II

    Explorer II was a crewed U.S. high-altitude balloon that was launched on November 11, 1935, and reached a record altitude of 22,066 m (72,395 ft). Launched at 8:00 am from the Stratobowl in South Dakota, the helium balloon carried a two-man crew consisting of U.S. Army Air Corps Captains Albert W. Stevens and Orvil A. Anderson inside a sealed, spherical cabin.

  3. High-altitude balloon - Wikipedia

    en.wikipedia.org/wiki/High-altitude_balloon

    Geostationary balloon satellites (GBS) are proposed high-altitude balloons that would float in the mid-stratosphere (60,000 to 70,000 feet (18 to 21 km) above sea level) at a fixed point over the Earth's surface and thereby act as an atmospheric satellite. At those altitudes, air density is around 1/15 to 1/20 [37] of what it is at sea level ...

  4. Walmart Canada - Wikipedia

    en.wikipedia.org/wiki/Walmart_Canada

    Walmart Canada is a Canadian retail corporation, discount retailer and the Canadian subsidiary of the U.S.-based multinational retail conglomerate Walmart.Headquartered in Mississauga, Ontario, it was founded on March 17, 1994, with the purchase of the Woolco Canada chain from the F. W. Woolworth Company.

  5. South Edmonton Common - Wikipedia

    en.wikipedia.org/wiki/South_Edmonton_Common

    South Edmonton Common is one of Canada's largest retail power centres, [2] and when it will be completely developed, it will spread over 320 acres (130 ha) and contain some 2,300,000 square feet (210,000 m 2) of retail space, making it one of the largest open-air retail developments in North America. [2]

  6. The world is running out of helium. Here's why doctors are ...

    www.aol.com/news/world-running-helium-heres-why...

    A global helium shortage has doctors worried about one of the natural gas’s most essential, and perhaps unexpected, uses: MRIs.. Strange as it sounds, the lighter-than-air element that gives ...

  7. Balloon Experiments with Amateur Radio - Wikipedia

    en.wikipedia.org/wiki/Balloon_Experiments_with...

    Balloon Experiments with Amateur Radio (BEAR) is a series of Canadian-based amateur radio high-altitude balloon experiments by a group of amateur radio operators and experimenters from Sherwood Park and Edmonton, Alberta. The experiments started in the year 2000 and continued with BEAR-9 in 2012 reaching 36,010 metres (118,140 ft).

  8. Raven Industries - Wikipedia

    en.wikipedia.org/wiki/Raven_Industries

    Raven Industries, Inc. is an American company that makes precision agriculture products and information management tools for growers. Before a series of acquisitions in 2021, it also had an Engineered Films segment that produced plastic films for various agricultural and industrial applications, as well as an Aerostar Industries segment that designed and manufactured high-altitude balloons ...

  9. Weather balloon - Wikipedia

    en.wikipedia.org/wiki/Weather_balloon

    A weather balloon, also known as a sounding balloon, is a balloon (specifically a type of high-altitude balloon) that carries instruments to the stratosphere to send back information on atmospheric pressure, temperature, humidity and wind speed by means of a small, expendable measuring device called a radiosonde.