HVAC for your arm?

摘要

Matthew Smith, Sam Shames and David Cohen-Tanugi were brainstorming ideas for their student projects in an over-air conditioned lab when it hit them: What if you had the power to "hack" your inner thermostat? Four years later, that idea blossomed into the Embr Wave temperature bracelet: a watch-size device that delivers short pulses of hot and cold to stimulate the body's heating and cooling sensations.