Buy KOBRA LED Color-Changing Light Bulb $8.99. 2. RGB LED Color-Changing Light Bulb. These light bulbs have many of the same convenient features as our first choice above, but with 12 color ...

The bulbs are a fair bit bigger than a traditional LED light bulb, but they still fit in a standard fixture. The coolest feature is that you can connect up to 10 of these bulbs at a time, and play ...

An ultra-powerful laser can turn regular incandescent light bulbs into power-sippers, say optics researchers at the University of Rochester. The process could make a light as bright as a 100-watt ...

A light bulb is just a light bulb, right? Not so fast. Your standard light bulb isn't a good fit for your oven if you need a new bulb in it, and here's why.

A burnt out refrigerator light bulb can be incredibly inconvenient, but you can't just replace it with any off-the-shelf bulb. Here's what to look out for.

Philips’ Hue lightbulbs screw in just like a regular bulb, but they connect to your phone and other smart home devices so you can turn lights on and off as well as control their intensity from ...

Looking to elevate your lighting game? This unique lightbulb that can transform an ordinary fixture, a nightlight, or a ...

But the new bulbs face a mega-marketing challenge: their high price tags--up to $20 a bulb--are a turnoff. "We have to get people past the snap judgment that it costs 20 times more than a regular ...

And although fluorescent bulbs are less expensive to use in the long run, some consumers are turned off by the cost: $3 to $10, compared with about 50 cents for regular bulbs.