More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

It turns out the "10-year lifespan" printed on your LED box is often a total fantasy. I spent years falling for the marketing, only to end up standing on a ladder every six months replacing bulbs that ...

Chabad of La Jolla celebrates first night of Hanukkah with menorah lighting By La Jolla Light December 15, 2025 at 11:40 a.m.

Your Friday plans will warm up nicely. Morning 20s and 30s will head back to the mid and upper 40s this afternoon. Clouds will increase during the day, but rain won’t arrive until after sunset.