ZDNET's key takeaways Scam "power-saving" devices waste money and risk safety.Smart plugs and power strips actually cut ...

You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The ...

LED lighting has taken roadways by storm, but are they better than HIDs? We breakdown the differences between the two to find the better bulb. LED headlights dominate the industry due to efficiency ...

The Energy Independence and Security Act of 2007 requires most screw-in lightbulbs to use at least 27 percent less energy by 2014. CFLs, LEDs, and some halogen bulbs, a type of incandescent, meet that ...

There is a baffling array of different aftermarket bulbs to choose from today, with prices ranging from a few quid to more than £35. So here we consider whether it’s best to go for the latest, ...

There are several reasons why you're better off sticking with the stock halogen or high-intensity discharge (HID) bulbs in your car, rather than replacing them with cheap aftermarket LED headlights.

With the StarTech.com USB-C Power Tester, you can easily look for charging problems in your setup. It’s a quick and easy way to ensure your devices are getting all the power they’re supposed to. I ...

We may receive a commission on purchases made from links. Over the last decade, LED headlights have made their way from luxury models to everyday cars — and for good reason. Traditional halogen bulbs, ...

When your eyes send information to your visual cortex, your brain gets to work, assembling a version of reality based on contrasts, shapes, depth, and prior experience. But illusions? They disrupt ...

I decided to upgrade all the rear incandescent bulbs to LEDs. The taillight’s brake and parking light are LEDs, but the indicator and reverse lights are incandescent bulbs. Decided to upgrade these to ...