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A comment on /story/35376138. Parent comment

Re: by londons_explore on Thursday March 30, 2023 @03:05PM (#35377489)
I suspect these simulated keys have no weight/spring back force. Ie. the robot hand doesn't have to 'push hard' to make them go down.

It would be equivalent to you trying to play a holographic piano in the air in front of you. I suspect you'd adopt a very different hand position too.

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Re: by kzakka on Thursday March 30, 2023 @03:31PM (#35377761)
We're using the MuJoCo simulator under the hood: https://mujoco.org/

The keys are actually implemented using a spring mechanism, but springs in MuJoCo are currently linear, which isn't the case in the real world.

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