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A comment on How can I avoid my MacBook Pro giving me minor shocks?. Parent comment

Re:How can I avoid my MacBook Pro giving me minor shocks? by spyder on Monday November 14, 2016 @07:12AM (#12949281)
This effect can be used for tactile feedback on touchscreens:

TeslaTouch: Electrovibration for Touch Surfaces:

http://www.ivanpoupyrev.com/e-library/2010/teslatouchUIST201...

Video: https://www.youtube.com/watch?v=FiCqlYKRlAA

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