Scientists have come up with a new way to introduce odors into virtual reality via small, wireless interfaces.

Creating smells in virtual reality is a vexing problem that has prevented consumer VR devices from offering a full sensory experience in most settings. “People can touch in VR,” says Xinge Yu, a professor at the department of biomedical engineering at the City University of Hong Kong and the lead author of the new paper, published today in Nature Communications. “And of course, you can see and hear in VR. But how about smell and taste?”

— Read more in New research aims to bring odors into virtual worlds at MIT Technology Review.