But how do you create a virtual wall, a physical obstacle that you can touch and push against, without using unwieldy mechanical hardware? For human-computer interaction researcher Pedro Lopes, the ...

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Virtual reality technology has made some major leaps forward over the past few years, but there are still some niggling issues that need to be addressed. However, a promising project being undertaken ...

But how do you create a virtual wall, a physical obstacle that you can touch and push against, without using unwieldy mechanical hardware? For human-computer interaction researcher Pedro Lopes, the ...