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  2. Hydrogen safety - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_safety

    The Hindenburg disaster is an example of a large hydrogen explosion. Hydrogen safety covers the safe production, handling and use of hydrogen, particularly hydrogen gas fuel and liquid hydrogen. Hydrogen possesses the NFPA 704's highest rating of four on the flammability scale because it is flammable when mixed even in small amounts with ...

  3. High-altitude balloon - Wikipedia

    en.wikipedia.org/wiki/High-altitude_balloon

    High-altitude balloons or stratostats are usually uncrewed balloons typically filled with helium or hydrogen and released into the stratosphere, generally attaining between 18 and 37 km (11 and 23 mi; 59,000 and 121,000 ft) above sea level. In 2013, a balloon named BS 13-08 reached a record altitude of 53.7 km (33.4 mi; 176,000 ft). [1]

  4. Timeline of hydrogen technologies - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_hydrogen...

    1809 – Thomas Forster observes with a theodolite the drift of small free pilot balloons filled with "inflammable gas". [3] [4] [5] 1809 – Gay-Lussac's law, a gas law relating temperature and pressure. 1811 – Avogadro's law, a gas law relating volume and amount of substance. 1819 – Edward Daniel Clarke invents the hydrogen gas blowpipe.

  5. Pierre Testu-Brissy - Wikipedia

    en.wikipedia.org/wiki/Pierre_Testu-Brissy

    Early flight by Testu-Brissy, circa 1786 Testu-Brissy astride his horse near Limoges. (Smithsonian Collection) Testu Brissy with Hydrogen Balloon at Meudon, Paris 1798 Pierre Testu-Brissy (or possibly Tessu-Brissy) (1770? – 1829) was a pioneering French balloonist who achieved fame for making flights astride his horse.

  6. E77 balloon bomb - Wikipedia

    en.wikipedia.org/wiki/E77_balloon_bomb

    Suspended from the balloon envelope was a 32 inch by 24 inch balloon gondola. The E77 was an anti-crop munition, designed to disseminate anti-crop agents, such as wheat stem rust . [ 2 ] The balloon bomb employed a dissemination method similar to that of the M115 anti-crop bomb , or "feather bomb". [ 1 ]

  7. Gas explosion - Wikipedia

    en.wikipedia.org/wiki/Gas_explosion

    A balloon filled with gaseous hydrogen exploding.. A gas explosion is the ignition of a mixture of air and flammable gas, typically from a gas leak. [1] In household accidents, the principal explosive gases are those used for heating or cooking purposes such as natural gas, methane, propane, butane.

  8. In 2020’s “Tenet,” Christopher Nolan blew up a 747, and for his latest feature, “Oppenheimer,” he recreated the Trinity Test without using visual effects, opting to find a way to do it ...

  9. Operation Ivy - Wikipedia

    en.wikipedia.org/wiki/Operation_Ivy

    In the video game Sid Meier's Civilization VI, Operation Ivy is a late game project that the player can construct at one of their cities. Completing the project allows the player to construct thermonuclear devices, which are more powerful than nuclear devices (which are the game's version of an atomic bomb).