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2. Balloon mail - Wikipedia

   en.wikipedia.org/wiki/Balloon_mail

   Balloon mail is 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 mail is left to good fortune; often the balloon and postcard are lost.

3. Tethered Aerostat Radar System - Wikipedia

   en.wikipedia.org/wiki/Tethered_Aerostat_Radar_System

   The hull of the aerostat contains two parts separated by a gas-tight fabric partition. The upper chamber is filled with helium and provides the aerostat's lifting capability. The lower chamber of the hull is a pressurized air compartment. The hull is constructed of a lightweight polyurethane-coated Tedlar fabric. An airborne engine drives the ...

4. Edward P. Ney - Wikipedia

   en.wikipedia.org/wiki/Edward_P._Ney

   The innovations include the duct appendix, [24] the natural shape balloon, [25] the Minnesota launch system, [26] and the tetroon balloon design. [27] The last achievement listed was the post-project flight of a mylar tetroon on September 7, 1956, which reached a maximum height of 145,000 feet (44,000 m) over Minneapolis.

5. Aerostat - Wikipedia

   en.wikipedia.org/wiki/Aerostat

   A modern aerostat used by the U.S. Department of Homeland Security, the Tethered Aerostat Radar System (TARS). An aerostat (from Ancient Greek ἀήρ (aḗr) 'air' and στατός (statós) 'standing', via French) or lighter-than-air aircraft is an aircraft that relies on buoyancy to maintain flight.

6. Tethered balloon - Wikipedia

   en.wikipedia.org/wiki/Tethered_balloon

   A balloon is a form of aerostat, along with the powered free-flying airship, although the American GAO has used the term "aerostat" to describe a tethered balloon in contrast to the powered airship. [1] Tethered balloons have been used for advertising, recreation, observation, and civil or military uses.

7. Minnesota Parents Who Locked Their Kids in Cages for ‘Their ...

   www.aol.com/minnesota-parents-locked-kids-cages...

   A Minnesota couple has reportedly been sentenced to four years after they locked their children in cages for "their safety." The couple was arrested and charged with 16 counts in June 2023. They ...