This Animated Video Simplifies Einstein's Complicated Twin Paradox [Video]

Einstein's Twin Paradox is super confusing for me, every time I think I fully understand it, I find more questions. The Twin Paradox is a thought experiment in special relativity when one twin travels to outer space while the other twin stays on Earth. When the space bound twin lands back on Earth, he'll find that his Earthbound twin has aged much more than he has. Why is that? Watch this video to find out the simple explanation with animated cartoons. [Kuriositas via Neatorama] More »

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Here's a Better Looking, Less Awkward Segway [Video]

Segways are nerdy and awkward, there's no way around it. This solowheel, a "self balancing electric unicycle" is just as nerdy as a Segway but slightly less awkward. The Solowheel only weighs 20 pounds and comes in a relatively small package and is definitely no where near as unwieldy as a Segway. Plus, it doesn't come with the reputation of mall cops and weirdos. It's supposed to come out in March for $1,500. More »

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Internet Explorer 9 pinned sites: how they work, and the best examples on the Web

If, by some weird quirk of fate, you missed the big news yesterday: Internet Explorer 9 RC is now available to download. If you've read our complete guide you'll know about one of IE9's neatest features: pinned websites.

In essence, it takes the Firefox and Chrome idea of pinned app tabs and goes a few steps further by actually integrating with the operating system. To pin a site, simply visit it in IE9, then drag the tab down to the Windows taskbar. Your tab will quickly close and re-open in a new (color-coded!) window.

Pinned sites can do three very awesome things: they can provide notifications, such as new messages; you can right click the pinned icon to access a jump list to various parts of the site (see right); and finally, pinned sites can even have thumbnail toolbars -- you can control a media player, from a pinned site!

The thing is, though, a website has to be explicitly coded to provide these features -- and while Microsoft has done a good job of getting major Web service providers to add the IE9-specific meta tags, it will be some months before every site has IE9's special pinned site magic.

After the break, we have a comprehensive list of the best examples of IE9 pinned sites from across the Web. Make sure you've downloaded and installed IE9 before you continue, too.

Continue reading Internet Explorer 9 pinned sites: how they work, and the best examples on the Web

Internet Explorer 9 pinned sites: how they work, and the best examples on the Web originally appeared on Download Squad on Fri, 11 Feb 2011 11:00:00 EST. Please see our terms for use of feeds.

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Apple Rumor Mill Spits Out Super Size iPod Touch, iPad 3 Retina Display [Rumors]

iPad 3 Retina Display speculation, "tween" sized iPod touch, shifting sizes and shifting sands—Apple rumors, ho! More »

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Apple Rumor Mill Spits Out Super Size iPod Touch, iPad 3 Retina Display [Rumors]

iPad 3 Retina Display speculation, "tween" sized iPod touch, shifting sizes and shifting sands—Apple rumors, ho! More »

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ZAGGmate w/Keyboard for iPad Review

Trying to turn the iPad into a laptop replacement can be an easy or difficult task depending on your needs. I failed at that task when I tried to do it last Fall during a vacation to Florida. I wish I would have had a ZAGGmate w/Keyboard at that time, I think it would have [...]

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Inhabitat's Week in Green: trains speed up, paint improves planes, and the CO2-scrubbing artificial trees

Each week our friends at Inhabitat recap the week's most interesting green developments and clean tech news for us -- it's the Week in Green.

This week Inhabitat saw high-speed railways pick up steam around the globe as China announced plans to build a trans-continental railroad in South America and Japan began developing the world's fastest high-speed train. We also saw eco transportation reach new heights as a kite-powered car completed an epic 5,000km journey across Australia and researchers developed a nanotech paint that will increase the fuel efficiency of airplanes. The automotive world is also gearing up for the Geneva car show as Toyota is getting set to roll out an all-electric IQ and Porsche pulled back the curtain on its Panamera S Hybrid and Boxster EV.

In other news, this week we brought you an exclusive video interview where celebrated environmentalist Stewart Brand argues that nuclear power could save the world. We also explored several other alternative energy sources that are decidedly less controversial - PurposeEnergy is transforming beer brewing waste into a source of clean-burning biofuel, and a design duo has proposed a series of beautiful solar-powered artificial trees that scrub CO2 from the air.

Roughly one in every six people do not have access to safe drinking water, so we were excited to learn about a pedal-powered water purification system based on the bicycle that holds great promise for the developing world. Speaking of cleaning up dirty water, this week Stephen Baldwin sued Kevin Costner over the oil-separating technology that cleaned up the BP oil spill. And last but not least, we were wowed by this hydrofloor system, which can save space and energy by concealing a swimming pool beneath your living room floor!

Inhabitat's Week in Green: trains speed up, paint improves planes, and the CO2-scrubbing artificial trees originally appeared on Engadget on Sun, 20 Feb 2011 21:00:00 EDT. Please see our terms for use of feeds.

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Motorola Xoom User's Guide Teasingly Lacks Any Mention of Locked-Down Wifi [Tablets]

A leaked series of documents, purportedly some kind of instructions for the users of the upcoming Motorola Xoom—which I will call a user's guide—is entirely unremarkable save for the information it doesn't contain. More »

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Deal of the Day ? Save 42% on Dell Vostro 230 3GHz Dual Core Slim Tower and 21.5? Dell LCD

Today?s LogicBUY deal saves you 42% on the Dell Vostro 230 3GHz Intel Dual Core slim tower. Basic features include: 3GB DDR3 1333MHz memory, GMA X4500 graphics, 250GB hard drive, Windows 7 Home Premium (32-bit), and more. The Vostro is bundled with a keyboard, mouse, and a 21.5? Dell E2210H LCD monitor. Starting price: $687 [...]

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Latest Pie in the Sky Apple Rumor Hints at Branded HDTVs [Apple]

Apple is on the lookout for an engineer with HDTV power supply expertise (among other things), indicating the company could be getting serious—stress could—about a foray into the cutthroat world of HDTVs. More »

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