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New energy-efficient lighting technology.

For more information, check out this article at inhabitat.com:

Tiny Pill-Sized Plasma Bulb is Brighter Than Streetlight:

Luxim labs recently unveiled an incredibly energy efficient light bulb that packs more luminosity than a street lamp into a pill-sized form factor. Each bulb is filled with argon gas, which turns to plasma when electricity is focused through it. The energy is driven to the bulb without electrodes. The resulting light is intensely bright and mirrors the quality of light radiated by the sun, yet is produced by one of the smallest, most energy efficient light sources we’ve seen.

(Via Inhabitat.)