2012年,在德克萨斯州奥斯汀举办的人机交互会议中,将食物中汇入电流的理念以实验的形式首度曝光。中村和她的团队把一根电线连接于一个9伏特的电池上,然后将这跟电线穿过一根插在甜柠檬水中的吸管。志愿者们(被要求签署免责条例)报告称,通电的柠檬水喝起来“口感更清淡”,因为电流冒充了盐的味道。
Nakamura, along with professor Homei Miyashita, now call the idea ‘Augmented Gustation’ and have refined the technology to be able to transfer an electric charge to food through forks and chopsticks. “The metallic part of the fork is one electrode, and the handle is another,” Nakamura explained. “When you take a piece of food with the fork and put it in your mouth, you close the circuit. When you remove the fork from your mouth, you disconnect the circuit. So it actually works as a switch.”
中村和宫下芳名教授如今称这一理念为“增强味觉”,他们已经改善了技术,使电荷能通过餐叉和筷子传导入食物中去。“叉子的金属部件是一个电极,手柄则是另一个电极,”中村解释道:“当你叉起一块食物放入嘴中时,电路接通,当你的叉子离开嘴巴时,电路断开。事实上它的工作原理就像开关一样。”
Munchies host Simon Klose, who recently visited Nakamura to try out the fork himself, called this form of ‘food hacking’ one of the most profound eating experiences he’s ever had. “When I first heard of electric food it sounded scary,” he said, in a 15-minute documentary clip about the special technology. He later proceeded to use a charged fork to eat pieces of fried chicken, and found that the saltiness considerably increased as the electricity was dialed up.
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