electric spoon 
Meiji University professor Homei Miyashita, who previously demonstrated the taste-enhancing effect in prototype electric chopsticks. The effect works by passing a weak electric field from the spoon to enhance the perceived saltiness of the food.

Meiji University professor Homei Miyashita demonstrated taste-enhancing electric spoons and chopsticks.

The electric spoon concept by Meiji University professor Homei Miyashita is fascinating.

This spoon is designed to help people on low sodium diets enjoy the taste of their food without adding extra salt.