First there was “the dress,” then there was the sneakers, now there’s a debate over the color blue. If you’ve ever argued with a friend over whether something is blue or green, you’re ...

Is your phone, tablet, or laptop typically in the battery red zone before the day's end? These portable chargers and power banks give you the most boost when you're out of juice. I’m a Mobile ...

Shown here is an LED that only lights up when the input is 5V or greater. You can use this idea anywhere you need a voltage activated switch, for instance as a battery’s low-voltage monitor.

GMC Hummer EV SUV drops four exterior paint colors for the new model year while getting two new ones, with Graphite Blue ...

The secret to a blueberry’s hue is in the structure of its wax coat. Blue is not a common color in nature. And while there are some known blue fruits, few contain pigments in that shade.

[esotericsean] gets around that by modifying his Game Boys with a USB rechargeable battery setup. (Video, embedded below.) The hack is a simple one, but the execution is quite tidy. [esotericsean ...

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

The following deals are available for a limited time for Prime Members and may sell out. New Deals Added Wednesday, ...

The following deals are available for a limited time for Prime Members and may sell out. New Deals Added Wednesday, ...