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Less than two percent of the Hiroshima bomb's uranium actually detonated

Little Boy, the nuclear bomb that U.S. forces dropped on the Japanese city of Hiroshima on August 6th, 1945, leveled a two-mile radius of the city, killing an estimated 80,000 people. It was an enormous amount of destruction—and it was caused by less than two percent of the uranium carried by the bomb. » 8/20/14 1:16pm A minute ago

Upgrade to SSDs, 10TB of Storage, Save on iPad Airs [Deals]

By now, you should know that the Samsung 840 EVO is one of the best SSDs you can buy, and the 250GB model is only $119 today, and the 500GB model is down to $200, both the lowest prices Amazon has ever offered. » 8/20/14 1:15pm 2 minutes ago

It's Shockingly Easy to Hide Guns and Bombs From Backscatter Scanners

The TSA's full-body scanners never seemed like a very good idea. They're a great way to unwittingly show your naked body to government officials, for one. They're also insanely easy to trick. We've suspected as much for some time now, but a team of university researchers just confirmed some scary security flaws. » 8/20/14 12:53pm 24 minutes ago

A Brilliant Device That Completely Reinvents Crutches

Modern crutches are still less than a century old, and dozens of designers have taken a stab at improving them. But while most attempts are variations on a familiar theme, one entry to James Dyson Foundation's annual Dyson Award proposes a solution that improves on even the best recent alternatives. » 8/20/14 12:35pm 42 minutes ago

This Passive Exoskeleton Makes 36 Pounds Feel Like Nothing

You all remember the TALOS, right? That big cybernetic exosuit designed to boost the physical abilities of its wearer? This is its unpowered cousin and, while it won't turn you into Captain America (regardless of how friggin awesome that would be), it is already revolutionizing how America's Navy builds its… » 8/20/14 11:45am Today 11:45am

Why We Still Have Bezels (But May Not For Long)

Yesterday, the first Sharp smartphone to come to these great United States brought with it one of the skinniest bezels we've ever seen on a smartphone. The Aquos Crystal is visually impressive, and a major step into the frameless future that seems to be emerging. There's just one problem, though. Bezels matter. And we… » 8/20/14 10:40am Today 10:40am

Bundle a Car Charger and Dash Mount Today for Just $13

In 2014, every car on the road should probably have two USB charging ports at the very minimum, and a good cradle to hold your phone at eye level when you use it as a GPS. If any of your vehicles don't meet these criteria, you can kill two birds with one stone for just $13 today. » 8/20/14 9:16am Today 9:16am

​7 Crazy Bikes That Almost Changed Cycling Forever

The history of cycling includes many innovations that failed to achieve popular or commercial success. The reasons for failure are many and various. But sometimes, even the wackiest-looking designs incorporated interesting ideas. Here's a selection of those concepts—most of which have at least one redeeming feature. » 8/20/14 9:00am Today 9:00am

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75% Off Hundreds of Udemy Courses: Learn Davinci Resolve & More

Get 75% off more than 300 courses with Udemy (using coupon code SAVETODAY, one of the largest marketplaces for teaching and learning. Udemy features over 10,000 expert instructors in courses ranging from guitar to photography to web development, and all are on-demand and available 24/7 via phone, tablet, or web. » 8/01/14 10:22am 8/01/14 10:22am