What Is an Atmospheric River?

A gigantic storm is set to hit the West Coast later today, bringing with it over a foot of rain. It’s what meteorologists call an Atmospheric River—but what is that, exactly? More »

What Is Israel’s Iron Dome?

Israel got itself into a little mini-war in Gaza, and Hamas is firing off an extra dose of rockets into the Holy Land. What’s (maybe) stopping them? Something called the “Iron Dome”—and what exactly is an Iron Dome? More »

What Is Anodizing?

The lustrous patina that protects the backside of Apple’s new iPad Mini isn’t just some cheap shellac or sealant coat—it’s actually “grown” on the metal itself in an electrochemical process known as anodization. Here’s how. More »

What Is Friction-Stir Welding?

More »

What Is Apple Fusion Drive?

While introducing the new ridiculously thin iMac, Apple also revealed its new Fusion Drive. What is it? It’s a new storage system that supposedly combines the best of SSD and HDD. Basically, the speed of a SSD with the storage space of a big spinning HDD. More »

What Is Pheed?

Pheed is the latest social network start up to roll off the factory line, promising to change our internet lives (or something). It combines aspects of Facebook, Twitter, Instagram, and Tumblr (among others), and coats itself in a celebrity-endorsed sheen. So what is Pheed? Long story short, it’s a shitshow. More »

Can You Work Out What This Thing Was Used For? [What Is]

This thing looks like a cross between a gun, some weird cooking utensil, and an elaborate medical instrument. It is of course none of those things: but can your work out what it was used for? More »

What Is Intel Clover Trail? [Video]

Intel Clover Trail. Sounds like a JJ Abrams movie about camping, right? But Clover Trail is actually the next generation Intel Atom chip that’ll power both Windows 8 tablets and laptops. Which means you’ll probably run into this chip pretty darn soon, so get familiar. More »

What Is Miracast? [Miracast]

Everyone really likes AirPlay, Apple’s Wi-Fi streaming standard that lets you send movies and music from, say, your iPhone to your speakers or Apple TV. Now there’s a new standard out to do pretty much the same thing for everyone else. But how is it different from previous attempts? More »

What Is a Frontlit Display? [Frontlit Display]

The new Kindle Paperwhite has a frontlit screen. We knew it probably would. But the term “frontlit” is actually a little misleading, and the simplicity of what it does belies the considerable engineering required to pull it off. More »