Lightbulb
Ken Bennett, Wake Forest University photographer
tech

Glowing plastic lets you make light bulbs in any shape

Lunasee's Active Side Lighting Kit at work.
Lunasee
motorists

Motorcycle active side lighting kit is bright idea

Lightswitch
Courtesy of Nerd Approved
arcade-stick

Light up your house like an arcade game!

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Comparison showing off headlights
Carnegie Mellon University
car

Smart headlights make rain and snow disappear

energy

Will poo-powered lights get you in the mood?