Tiny sensors detect level changes and adjust the angle of the foot.
The Sun
Using virtual reality goggles, you can also adjust the angle of the 4k spherical camera by tilting your head.
Times, Sunday Times
Some types allow the user to adjust the angle of the head.
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In action the gunners would adjust the angle of the barrel via the elevating guy (for distance) and traversing guys (for direction).
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The players can adjust the angle and velocity of each throw, as well as the gravitational pull of the planet.
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