The ThorFire LED Flashlight ($26) can be powered by sunlight or a hand crank. A solar or crank flashlight that doubles as an AM/FM radio is a good choice, too. Here's a favorite rechargeable ...

In the past few years, the solar flood light market has exploded, with manufacturers offering brighter lights in smaller packages. So I tested some of the top brands to see which ones lived up to ...

They cost a bit more than disposables, but they’ll save money over time if the flashlight is used frequently. In addition to batteries, there are solar and hand-crank power sources for ...

It’s 2024, and most of us technically have a flashlight with us all times with our smartphones, but we believe that it’s important to keep a dedicated flashlight handy at home. It may be ...

Electrification is moving through different parts of the automotive industry at different speeds. And soon, it will be time ...

What's the best flashlight, overall? The rise of the smartphone has admittedly changed the world for the humble flashlight. Even powerful LED flashlights bear the brunt of our pocket computer friends.

Solar flares are a fascinating thing and have a profound effect on what astronomers refer to as "space weather." These events ...

It's not immediately obvious how solar lights turn light into energy. I spoke to solar panel and electrical experts about how ...

Solar flares are extremely intense events that occur in the sun's atmosphere, lasting anywhere from a few minutes to several ...

Solar-powered streetlights are illuminating a Clark County neighborhood as part of a pilot program — and it has little to do ...

Palmetto, Solar Energy World, and Blue Raven Solar are the best solar companies in the U.S., based on a review by the MarketWatch Guides team. A residential solar system from one of our top ...