How to Use Robots.txt to Hide Your Dumb Blog

Completely deleting something from the internet is like corralling drunk, feral geese after setting them loose: Damn near impossible. But there are ways to conceal the web content you don’t want anyone to lay eyes on. You can hide all sorts of webpages with what’s essentially a “Keep Out” sign for search engines: a… » 4/29/15 12:30pm Wednesday 12:30pm

What's the Blockchain, and Why Does Bitcoin Depend On It?

It’s going to unshackle us from the oppressive dungeon of fiat currency! But also criminals and rogue cops use it to do nefarious drug stuff! Digital currency is often defined by its volatile hype cycle. And yet its most promising feature is incredibly mundane-sounding: a bookkeeping system called “the blockchain.” » 4/15/15 4:44pm 4/15/15 4:44pm

What Really Happens When Someone Enters the Witness Protection Program

Born of the Organized Crime Control Act of 1970, and the brainchild of longtime Department of Justice attorney, Gerald Shur, the U.S. Marshall Service Witness Security Program (WITSEC) has successfully protected more than 18,000 people since it first began operations in 1971. » 3/30/15 5:30am 3/30/15 5:30am

The World's Biggest Physics Experiment Is About to Reboot 

The Large Hadron Collider (LHC) is the most audacious physics experiment in human history. Now scientists are about to restart the giant particle collider for a new set of experiments. Last time, they did the almost-impossible and found the Higgs Boson. This time, they might find something even more exciting. » 3/20/15 8:00am 3/20/15 8:00am

Why People Think Friday the 13th Is Unlucky

Being wary of Friday the 13th is much more than a quaint superstition observed by a few uneducated people in distant, unreachable towns and hamlets. In the United States alone, it is estimated that between 17 and 21 million people dread that date to the extent that it can be officially classified as a phobia. » 3/13/15 4:30am 3/13/15 4:30am

How Not to Be Wrong When You're Talking About Smartphone Displays

A lot of amazing engineering and design goes into making your smartphone. And smartphone displays are one of the most important parts — they're your window onto the internet, and the world. But the technical terms we use to describe them can be pretty confusing. Here's how to sound like you know what you're talking… » 1/27/15 3:10pm 1/27/15 3:10pm

Why Your Next TV Could (and Should) Be Stuffed With Quantum Dots

It's no secret that OLED televisions produce the best quality HDTV images on the market today. It's also no secret that OLED sets are ludicrously, obscenely expensive compared to conventional LEDs. But what if there were a way to produce OLED-quality images at a fraction of their current price? Oh hey, there is. » 1/06/15 3:54pm 1/06/15 3:54pm