The same research team is also working on a digital lollipop.
In Sword Art Online, an anime series, gamers take part in a virtual world that is teeming with danger, but also with food. What if such an experience was a reality? What if you could not only interact with food in a virtual environment, but also actually taste it? Scientists at the National University of Singapore have developed a new electrode that could be the first step in making that happen. (Video)