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  2. Sun gun - Wikipedia

    en.wikipedia.org/wiki/Sun_gun

    The scientists calculated that a huge reflector, made of metallic sodium and with an area of 9 square kilometres (900 ha; 3.5 sq mi), could produce enough focused heat to make an ocean boil or burn a city. [1] After being questioned by American officers, the Germans claimed that the sun gun could be completed within 50 or 100 years. [1] [2]

  3. List of software for astronomy research and education

    en.wikipedia.org/wiki/List_of_Software_for...

    https://vislab.idia.ac.za/tools. Yes Collimation Circles: Pro/Am GUI No No No No No No Win, Mac, Linux, Raspberry PI OS No Free Simon Šander

  4. Infrared signature - Wikipedia

    en.wikipedia.org/wiki/Infrared_signature

    Infrared signature, as used by defense scientists and the military, is the appearance of objects to infrared sensors. [1] An infrared signature depends on many factors, including the shape and size of the object, [2] temperature, [3] and emissivity, reflection of external sources (earthshine, sunshine, skyshine) from the object's surface, [4] the background against which it is viewed [5] and ...

  5. Spacecraft thermal control - Wikipedia

    en.wikipedia.org/wiki/Spacecraft_thermal_control

    The thermal control subsystem can be composed of both passive and active items and works in two ways: Protects the equipment from overheating, either by thermal insulation from external heat fluxes (such as the Sun or the planetary infrared and albedo flux), or by proper heat removal from internal sources (such as the heat emitted by the internal electronic equipment).

  6. Ablative armor - Wikipedia

    en.wikipedia.org/wiki/Ablative_armor

    In the table top role playing game Traveller, ablative armor (referred to as Ablat) is an equipment option for characters to protect them from laser fire or other energy weapons. In the second edition of Traveller published by Game Designers's Workshop in 1981, Ablat is described as an "Ablative (vaporizing anti-laser) jacket" available for 75 ...

  7. Fact Checking Claims About Directed Energy Weapons - AOL

    www.aol.com/news/fact-checking-claims-directed...

    They are not responsible for wildfires in Hawaii or Chile—and painting your roof blue won’t protect you from them. Fact Checking Claims About Directed Energy Weapons Skip to main content

  8. Fantasy Film Room: 5 defenses you didn't know were a ... - AOL

    www.aol.com/sports/fantasy-film-room-5-defenses...

    It's Thursday and 'Fantasy Film Room' is back with Nate Tice and Matt Harmon. To start the show, Harmon reveals the top ten defenses in EPA since Week 8 with a handful of defenses that you'd be ...

  9. Thermal Micrometeoroid Garment - Wikipedia

    en.wikipedia.org/wiki/Thermal_Micrometeoroid_Garment

    Cross-section of layers in space suit construction. An (Integrated) Thermal Micrometeoroid Garment (TMG or ITMG) is the outer layer of a space suit.The TMG has three functions: to insulate the suit occupant and prevent heat loss, to shield the occupant from harmful solar radiation, and to protect the astronaut from micrometeoroids and other orbital debris, which could puncture the suit and ...