LAS VEGAS, NV - JANUARY 06: The GoSun Grill portable, solar cooker by GoSun Stove at CES 2016 at the Sands Expo and Convention Center on January 6, 2016 in Las Vegas, Nevada. The grill is cool to the touch, works in cloudy conditions and turns light reflected onto a glass vacuum tube into usable heat with 80 percent efficiency. It also has a photovoltaic stand with an electric heating unit that stores solar energy for use anytime including at night. It will be available in the summer of 2016 for USD 599. CES, the world's largest annual consumer technology trade show, runs through January 9 and is expected to feature 3,600 exhibitors showing off their latest products and services to more than 150,000 attendees. (Photo by Ethan Miller/Getty Images)
