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What Is The LRAD Sound Cannon?

Protests in Ferguson, Missouri have reached a terrifying fever pitch, and the ludicrously armed Ferguson Police Department is bringing all its crowd-control weapons to bear, tear gas, stun grenades, rubber bullets, you name it. One of the more controversial of those is the LRAD Sound Cannon. So what’s the harm in a little noise? Well, a lot, actually.


What Is Tizen?

This year, Samsung will sell (at least) two phones and a watch that don’t run Android. Instead, they will run something called Tizen. That’s a major departure for such an important player in the smartphone game. But what is Tizen? And will you actually want to use it?


What Is A Hangover?

Yippee! Let’s poison ourselves with beverages that will make us violently ill! It was your battle cry last night, and today you’re paying the price. But what is that hangover you’re experiencing, exactly?


What Comes After Click: A Crash Course In Tangible User Interfaces

For three decades, most of us have interacted with computers in exactly the same way: We point with a mouse (or a finger!), click, and watch the screen. In one way, it’s the most outdated element of human computer interaction around. But in another it’s the thing that’s shaped every operating system and device designed since its invention. We’re starting to leave it behind though. Here’s what’s coming next.


What Is The Copyright Alert System?

The Copyright Alert System was conceived all the way back in 2011 as a new way to deal with seemingly unstoppable online piracy. It finally goes into effect in the US today, and it will impact a huge portion of American internet users. Sounds scary, but what is it exactly?


What Is An UltraPixel?

Did you hear about the HTC One’s fancy new “UltraPixel Camera”? HTC touts the camera as an end to the “megapixel wars”. UltraPixels! Revolution! And, yes, the technology sounds very promising, but, uh, wait a second, what is an UltraPixel anyway?


What Is UltraHD?

Ultra HD is marketing-speak for 4K or 8K resolution TVs. And that’s more or less it. You’re going to be hearing the term a lot this show though — and throughout the year — so here’s a little more information about what exactly that means.


Giz Explains: What Is Electricity?

Tired of smiling and nodding along while your electrical engineering buddies debate the finer points of electromagnetic theory? If you’re taking a critical eye to the definitive guide to batteries, you’ve got to understand what electricity is to begin with. Here’s a crash course on the fundamental force that’s driving our digital revolution.


Giz Explains: What Is Big Data?

The human race produces 2.5 quintillion bytes of data every day — far too much to crunch using conventional desktop applications. Mining this mountain of data for nuggets usable information is one of the biggest challenges facing modern society. But a new generation of analytic tools are helping us control the phenomenon that’s becoming commonly known as Big Data.


What Is An Atmospheric River?

A gigantic storm is set to hit the US west coast later today, bringing with it over 30cm of rain. It’s what meteorologists call an Atmospheric River — but what is that, exactly?