Nikon didn’t build a light metering chip into the D40. That’s fine if you’re using one of their auto lenses with the on-board chip. [Matt] decided to add a sensor to his camera and try it ...

Car battery shopping has to be one of the least exciting parts about owning a car. Usually, it comes after several attempts at starting the vehicle, or after you had to call AAA to jump a dead ...

Nikon's annual Small World competition showcases images of a world that humans can't usually see, as captured through the lens of a microscope. Each year, rigorous science and dazzling artistry ...

What is the best solar battery overall? We've evaluated dozens of solar batteries over the year, and the Bluetti EP900 Home Battery Backup is CNET's pick for the best solar battery, overtaking the ...

Most of us — casual users and enthusiasts alike — are forever searching for smartphones with the longest battery life. And while fast charging keeps us topped up every day, the absence of ...

As with most higher-end Nikon DSLRs, the top-panel data readout LCD communicates a lot of information about current camera settings, and provides an interface for setting many camera functions ...

Let’s take a look inside a single-use alkaline battery you might have at home. A battery works when the original chemicals inside it are still new and unused. When electricity starts flowing, these ...

A charged battery is a happy battery. Keeping your car’s battery properly charged is essential to long life and reliability. When you drive, your car’s charging system keeps your battery ...

Battery stocks haven't fared well for much of 2024, but a big rally has put them back in the spotlight. The Global X Lithium & Battery Tech ETF (ticker: LIT) gained more than 20% in September. The ...

Mostly, they worry about the battery. Unlike gas cars, which have well-known issues and repair costs at this point, EV battery replacement costs are largely a mystery to many buyers because of the ...

Oct. 17, 2024 — A research team is exploring new battery technologies for grid energy storage. The team's recent results suggest that iron, when treated with the ... Solar-Powered Desalination ...

There's big news in the camera deals world today, folks - the excellent (and new) Nikon Z6 III has just received its first-ever discount. Right now, you can get this fantastic hybrid mirrorless ...