Researchers simulate walls in VR by shocking your muscles
 

Virtual reality is still a pretty crappy facsimile of The Matrix, but scientists are trying their best to fix that. At the CHI'17 conference in Denver, a team of researchers from the Hasso-Plattner-Institut in Potsdam showed off a haptic system that...

https://www.engadget.com/2017/04/17/...-your-muscles/