Even if you think you have a broad understanding of Einstein's theory of special relativity in the abstract, actually thinking though its repercussions can still melt your brain. *A Slower Speed of Light* from MIT's game lab can help explain how weird reality gets as you approach that speed.

Clear for iPhone is one of the best and best-looking ways to manage tasks on your phone. Developer Realmac has just launched Clear for Mac, a desktop version of the app — it looks and feels the same, but at $14.99 it's seven times the price. Does Clear's appeal translate?

Trent Wolbe investigates the making of Joel Zimmerman.

The light bulb, the oldest and most ubiquitous of electronic devices, is overdue for an update. We looked over some features like mesh networks and smartphone connectivity to see if this new general of LED light bulbs are worth the cost.

Windows 8 and Windows Phone 8 are here, but what about the apps? Tom Warren went to Microsoft's Redmond headquarters to find out what developers are doing and whether the company is providing the tools they need to make these platforms truly viable.

The creators of 'QWOP' and 'Johann Sebastian Joust' team up to give us the 'Wii Sports' of indie games. Can four prominent developers breathe new life into the stagnating genre?

The big green guy on commenters, the pain of 48fps, and the modern comic book movie.

Every PC manufacturer is trying to answer the same question: what does a Windows 8 PC look like? Is it a tablet? A laptop? Something else entirely? Lenovo's Yoga is all laptop, with a little bit of tablet sprinkled in — we took one of the most anticipated Windows 8 devices for a spin.