Tongue

While machines have mastered both sight and sound, the sense of taste has largely remained exclusive to biological organisms. Now, researchers in Beijing have built a graphene oxide “tongue” that doesn’t just detect chemicals, it learns them.

Updating an ancient form of health diagnosis with modern machine learning, researchers have developed a remarkable system that can reveal a range of medical conditions including asthma and diabetes just by looking at your tongue. It aced its tests.

Today is Thanksgiving Day in the United States, a holiday in which we celebrate the blessings granted by Life, the Universe, and Everything. It may soon be possible to enjoy such a repast as a character in a movie or a video game, aided by a new method for digitally actuating the sense of taste.

A student at Tokyo's University of Electro-Communications has invented a robotic tongue device for online kissing.