Description:A new lantern is powered by gravity. Designers in London have recently created a lantern which is powered by gravity. Dubbed the GravityLight, the new invention could drastically help poor communities, who either don’t have any source of lighting or resort to dangerous kerosene lamps, which can cause severe burns. The light is inexpensive. When it hits shelves, it is expected to sell for approximately $10. A bag is connected to the lamp.(1:00)