Fill Me Up, Says Glass

iGlassware senses when it's almost empty and signals for a refill.

Illustration by Jason Lee

Illustration by Jason Lee

The iGlassware prototype senses when it's almost empty and signals for a refill. Working like a capacitor, the glass's sides are the conductive plates and your beverage the insulator. As the glass nears empty, a microchip sends a wireless alert, along with the glass's unique ID, to the wait staff.