High-altitude nuclear explosions (HANE) are the results of atomic weapons testing, conducted by the United States and the Soviet Union between 1958 and 1963. In these tests, nuclear warheads were launched and deliberately detonated at a high altitude, between 23 km and 540 km.
Flat-Earthers claim that HANEs were produced by attempts to penetrate the mythical dome enclosing the supposed flat Earth using nuclear weapons. They are wrong. The warheads were deliberately detonated at a high altitude, and the mythical dome does not exist in reality, only in their imaginations.
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A railgun is an experimental weapon that uses electromagnetic force to launch high-velocity projectiles. Some railguns are expected to have a range of more than 200 miles.
Flat-Earthers claim that a railgun round always travels straight. And because it can hit targets beyond 200 miles, they use it as “proof” Earth’s curvature does not exist. They are wrong. In reality, railgun rounds are projectiles. The same law of physics that applies to bullets, arrows, or thrown rocks also applies to them. The rounds are affected by air resistance and Earth’s gravity, and will not travel straight for very long. Railguns are capable of hitting targets obstructed by Earth’s curvature and are not proof that Earth’s curvature does not exist.
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Laser guidance is used by the military to guide a missile toward a target. A laser designator marked a target by pointing a laser beam at it. The signals bounce off the target into the sky, where they are detected by laser-guided munition, which steers itself toward the center of the reflected signal.
A laser-guided missile can be launched toward a target behind Earth’s curvature. Flat-Earthers claim it proves a flat Earth as it would have been impossible for the launcher to point a laser beam at the target. They are wrong. The laser designator does not have to be the launcher itself. It can be another unit closer to the target, such as infantry or an aircraft.
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An AEW&C (airborne early warning and control) system is a radar system attached to an aircraft. It can detect objects at a very long range compared to any surface mounted radar system.
The reason is that Earth’s curvature limits the range of a surface-based radar. An airborne radar system mitigates this problem.
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