A Japanese professor has developed a prototype lickable TV screen that can imitate food flavours, another step towards creating a multisensory viewing experience. The device, called Taste the TV (TTTV), uses a carousel of 10 flavour canisters that spray in combination to create the taste of a particular food. The flavour sample then rolls on hygienic film over a flat TV screen for the viewer to try. In the Covid-19 era, this kind of technology can enhance the way people connect and interact with the outside world, said Homei Miyashita, a professor at Meiji University in Tokyo. Miyashita has also...