Imagine receiving a video chat from a friend that shows him behind a grill, barbecuing some burgers and franks. Now imagine being able to smell that pleasurable BBQ aroma through your phone. According to NBC News, digital smell technology is something that we could all be experiencing in the future. In Malaysia, experiments were recently conducted on 31 test subjects. The scientists working on the project had to place electrodes inside the noses of all 31 volunteers.

The electrodes transmitted weak electrical currents into neurons found above the nostrils. These ...


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