When the power cuts out, you need light that comes on instantly and predictably, not a scramble for flashlights and a maze of ...

Still searching for the perfect Valentine's Day gift for your tech-savvy sweetheart? We have ideas, including a Lego bouquet, a heart-shaped phone charger, a two-person-only messaging app, and more.

Snip the wire near the LEDs and pry the assembly upward. The LED module is lightly secured—it might take a flat screwdriver ...