In moderation, blue light is beautiful. In excess, it can lead to headaches, sleeping problems, and much more. That’s a bit of a problem because smartphones, tablets, PC monitors, and televisions all give off an enormous amount of blue light. Doing so helps them generate truly bright whites in their color space, which looks great. …
If you’re still using wired earbuds, you’re doing it wrong. The cord gets tangled and limits your range, and it’s easy to damage. Snag your cord on a door handle while you’re walking, and you’ll need a new pair of buds. Wireless earbuds help you to avoid this problem. The last remaining advantage of wired …
In theory, a solar system is simple. You take a couple 12 volt panels and hook them up to a 12-volt battery. In between the two sits a solar charge controller. When the battery needs to be charged, it allows the current to flow into the battery. When it’s full, it disconnects the panels. But …
Wireless has become an indispensable part of our lives. But what happens when you travel across borders, and suddenly your devices can’t connect? Because different regions of the world use different wireless standards. In order to join those networks, one option is to obtain regional SIM cards for every place you want to visit. That’s …
If you’ve ever been caught fumbling for your keys in the cold, you know how frustrating it can be. The same goes if you’re coming home after dark and the porch light is off. But to paraphrase Doc Brown, “where we’re going, we don’t need keys”. Nowadays, a biometric or combination lock can completely eliminate …