This security camera doesn’t just look like a light bulb, it screws into and draws power from any standard light socket.

Photothek via Getty Images Can incandescent bulbs already purchased still be used? Incandescent bulbs already in use or purchased can still be used and do not need to be thrown out.

Black Friday 2023 is here, and there’s a great selection of smart home offers among this year’s best Black Friday deals. Here we’re rounding up some of our favorite smart light bulb deals ...

We can measure the temperature of an incandescent bulb's filament while it's connected to a variable DC power supply.

All you need to do is stare at the light bulb for 25 seconds, then immediately stare at a blank white wall and wait for a mysterious illusion to appear. What do you see?

All you need to do is stare atthe light bulb for 25 seconds, then immediately stare at a blank white wall and wait for a mysterious illusion to appear.