The Best Way To Recycle Your Old Gadgets

'Tis the season to get gadgets but what are you going to do with the one you've got? Folks will pay good money (or at least good karma) for your second-hand electronics. Here's how to hawk your legacy hardware online—or just give it away responsibly—and get an early start on next years Nice list. » 12/27/14 1:01pm Yesterday 1:01pm

A Nest of Copper Foam Lets This Tiny PC Run Silently Without Fans

You eventually tune it out, but the constant whir of a desktop computer's cooling fans can take a toll on your psyche. It's like a buzzing mosquito that never strikes, and never stops. So the folks at a German company called Silent Power have created a compact desktop PC that trades noisy fans for a block of exposed… » 7/30/14 3:19pm 7/30/14 3:19pm

How Do I Know When to Upgrade My PC or Just Build a New One?

Dear Lifehacker,
My computer is getting a little old. I built it myself, but I'm not sure whether it's worthwhile to upgrade individual things like my processor or video card or whether I should just start from scratch and build a new rig. How can I tell when it's time to upgrade and when I should start over? » 5/05/14 2:36pm 5/05/14 2:36pm

What computers see when they watch movies

When we watch movies, we pay attention to specific parts of the scene and focus on different actors and look at certain things on the screen. Most of what we see is influenced by what the directors want us to see, our attentions are easy to grab after all. So what if you showed the same movie to computers? What would… » 1/14/14 11:32pm 1/14/14 11:32pm

Razer's Modular Desktop Makes Building a PC Like Playing with Lego

Building your own computer is generally reserved for the hardcore, the devoted, the geeky. But with Razer's Project Christine, it's as easy as playing with Legos. Really big, actively mineral cooled Legos. Also it looks like a badass rack of rockets or something, which is cool as shit. » 1/07/14 3:12pm 1/07/14 3:12pm

Here's the Real Reason Why Virtual Reality Doesn't Work Yet

It's another blow for immersive virtual reality. University of California researchers have shown that even people with perfect eyesight navigate the world by relying on a lot more than what they see. Here's why VR won't really work until we go beyond visual cues and fancy treadmills. » 5/03/13 12:07am 5/03/13 12:07am