Quantum Computers Are Still No Faster Than Your Average PC

The D-Wave 2 is a much-hyped quantum computer, but, as scientists now report, it's not actually any faster than a regular old PC. Wait, didn't we say it was 3,600 times faster just a few months ago? Yes, and both are right. Whether one computer is faster than another is actually a mighty complicated question. » 6/19/14 4:00pm 6/19/14 4:00pm

What's Wrong With Quantum Computing

You've heard plenty of people by now—including us—banging on about quantum computers, and how they’re the future of high-performance computing. Quantum computing, we're meant to understand, is set to change the world. But despite its promise, it's neither widely available nor particularly useful yet. Here's why not. » 10/25/13 11:00am 10/25/13 11:00am

How to Get Even More Out of a Raspberry Pi

No doubt about it, the Raspberry Pi is nothing short of a homebrew phenomenon. Since its release in February 2012, the British micro-mini-computer has enabled legions of amateur inventors to develop projects both weird and wonderful. Here’s a run-down of the most impressive applications, ranging from weather stations… » 10/25/13 5:20am 10/25/13 5:20am