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Information from Rhythm of War and Dawnshard is not allowed on the Coppermind until the books are out. See Coppermind:Spoilers for details on how you can still work on this content.

Gravatonics couldn't make things fly; they were just used to reduce recoil or to make heavy items easier to move.

— David, about gravatonics[1]

Gravatonics is a technology in The Reckoners series. Like many other kinds of technology, it was developed after the Calamity. Presumably it allows some kind of gravity manipulation, in particular, decreasing the effect of gravity, or even inertia on the object[2]. It does not, however, allow objects to fly or hover.

Gravatonics applied to objects looks like palm-sized glowing ovals. The color of the glow can vary. The rings can be chipped and/or cracked on impact, decreasing their efficiency.

Gravatonics are often used for guns, both to ease transportation and operation[3] and to reduce the recoil[1]. Other uses includes belts that allow things to be carried more easily[4] and motorcycle stabilization that allows bikes to tilt at the angle that would normally lead to a crash[1], and softens the landings in case of jumps.


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