If NliteN’s disk-shaped 2D-Lite reaches production, it could make other LED light bulbs look downright expensive. Initially slated to sell for $10, the dimmable 60-watt-equivalent "800 lumen ...

While we may believe these aren't really needed, manufacturers on the contrary provide these features as standard in their low-speed electric vehicles.

Halving the wavelength of light makes it possible to pack about four times as much information onto a disc. So the new LED could be used to create discs with a capacity of about 100 gigabytes.