Amazon is rolling out the Dash Button, a physical device that allows customers to re-order items like toilet paper, diapers and laundry detergent as soon as they run out, with a simple press. The Dash Button is adhesive, and when pressed, customers receive a smartphone notification with options to cancel or continue the order. This initiative builds off of Amazon's previous device, the Dash, which scanned barcodes and had a microphone, allowing customers to simply say which items they wanted to renew. It's all one more way the company is trying to get customers to ditch the grocery store. Amazon will start sending email invitations to select Prime Members with offers to try out the Dash Button today, limited to three devices per household.

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Spring has sprung and while you may have been huddled by your PC's GPU all winter for some scant warmth, you can now continue your gaming sessions under the sun's rays. NVIDIA's GRID gaming service streams popular PC games right to its Shield devices, giving you some operational freedom beyond the desktop. GRID offers titles like Borderlands: The Pre-Sequal, Resident Evil 5 and Crysis 3, and the Shield Tablet, which packs a 192 Core Kepler GPU, a 2.2 GHz quad-core CPU and an 8-inch 1080p display, is up for the task. It's not just for gaming, either; this top-performing Android slate can stream movies and handle everyday multitasking with the best of them. If you have a Shield Tablet, you can take advantage of the GRID streaming service for free until June 30th, 2015. If you don't, just head to the Rafflecopter widget below, where you can get up to three chances at winning one along with its much needed accessories. The company has provided us with five complete sets, each including a Shield Tablet, a Tablet Cover and the indispensable Shield Controller for a total of five lucky Engadget readers this week. Game on!

Winners: congratulations to Zabak B. of Wilson, NC; Charles P. of North Las Vegas, NV; Donnie R. of Dallas, GA; Rafael R. of San Antonio, TX and Nic B. of Fairborn, OH.

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Cards Against Humanity, the naughty fill-in-the-blank card game, today launched the $10 Science Pack, an expansion offering 30 cards written in collaboration with Bad Astronomer Phil Plait and Saturday Morning Breakfast Cereal creator Zach Weinersmith. But that's not the coolest part: All proceeds raised by the Science Pack will be funneled into the Cards Against Humanity and SMBC Science Ambassador Scholarship, which offers full tuition coverage to women seeking undergraduate degrees in science, tech, engineering and mathematics. Applications will go live soon for the fall 2016 school year, and each one will be reviewed by a panel of more than 40 women working in STEM fields, including at NASA's Jet Propulsion Laboratory, Harvard Medical School and the Smithsonian Institution.

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Russia is teaming up with the USA to build ISS 2.0 once the current one's funding runs out in 2024 -- at least according to Russia Today and state news agency TASS. The country's space agency, Roscosmos threatened in February to use the Russian ISS modules as a platform for a new base of its own after 2024, but now it looks like there will be a followup collaboration. This time around, both parties are looking for participation from other countries, as well as private industry, and are apparently even eyeing a team-up for potential missions to Mars. Russian news outlets report the announcement came during a news conference Saturday following the launch of a year-long mission (video of the launch and subsequent ISS docking is embedded after the break) to the current International Space Station.

Update: After waiting to get in touch with colleagues in Russia, NASA responded to our inquiry and says "no new partnerships were announced." So what's the status of the ISS to 2024 and beyond? NASA's statement only confirms "interest in continuing international cooperation" but doesn't go further than that -- you can read it in full after the break.

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Take the edge off of a full work week with a bit of Super Mario 64, available for download or playable right in your browser thanks to ingenious Unity developer Roystan Ross. He calls it Super Mario 64 HD, and it features the original game's first level, "Bob-Omb Battlefield." Ross promises that everything is just as players of the 1996 game will remember, with a few exceptions, including no red coins and no Big Bob-Omb. But, it's still Super Mario 64 in your browser (not your Bowser). Happy Friday, indeed!

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This might be one of the least invasive sight aids for the visually impaired that we've spotted: it's a camera that sits in the shirt pocket, Her-style, and uses auditory alerts to warn when the user approaches obstacles. The idea here is to help folks with loss of peripheral vision (from glaucoma, for example) to keep from bumping into things. The device uses time-to-collision predictions rather than proximity sensors, so rather than a constant beep just because you're standing next to a pillar, the gizmo will apparently only ping you when you might actually run into said pillar.

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Mars One promises to send humans on a one-way trip to the red planet, with the intent to colonize, by 2027. Once the first four people leave Earth for Mars, there's no turning back, no panic button, no chance to return home. This aspect of the trip isn't just for drama -- it's a core tenet of Mars One's technical feasibility. CEO Bas Lansdorp believes that it's possible, using current technology, to land and sustain human life on Mars.

But the systems that would power a human settlement on an alien planet are ridiculously complex. They're so complicated that Lansdorp isn't yet sure what they will actually be. This lack of ready research has mired Mars One in controversy, thanks to a recent one-two credibility punch: First, a 2014 research paper from the Massachusetts Institute of Technology concludes that the program is not realistic. Second, a series of articles for Matter magazine calls into question the feasibility of Mars One financially, scientifically and ethically. Still, Lansdorp promises to send humans to live on Mars, but he can't yet say how. He wants the world to trust him.

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Researchers who must be Saved by the Bell fans have developed clothing fibers that could turn you into a walking neon sign. Rather than OLED or LCD tech, the team exploited polymer light-emitting electrochemical cells (PLECs) that are rugged enough to be used in fabrics. They created a millimeter-sized fiber that's an alphabet soup of tech -- it consists of a thin steel wire coated with nanoparticles and an electroluminescent polymer, topped by see-through carbon nanotubes. The prototype fabric only glowed for a couple of hours, and so far, the light colors are limited to blue and yellow. However, PLEC tech has a theoretical life span of thousands of hours, and far more hues are possible.

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"Captain, magnetic seals in the anti-matter chamber are decaying!" "Shields up!" Now that we have that out of our systems, let's start by saying that unlike a Star Trek-style deflector, Boeing's plasma "shield" could never block shells or bullets, let alone anti-matter explosions. But if its patent "for shockwave attenuation via electromagnetic arc" ever amounts to anything, it'd still be a technological tour de force. The idea is to harness electrical energy to stop or slow down the shockwaves created by explosions, which can do just as much damage as shrapnel.

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total eclipse

The end is nigh, Engadget readers: a triumvirate of celestial events is happening simultaneously. Okay, that might be a bit of an overstatement, but until we hit the other side of today's supermoon, spring equinox (yay!) and total solar eclipse, we just won't know. As The Wall Street Journal tells it, this sort of thing is "extremely unusual." Total solar eclipses -- where the moon plays middleman and blocks the sun from our view -- happen about once every year-and-a-half. Supermoons and the equinox? A handful of times per year and once annually, respectively.

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There are mere hours left to make your mark on the 11th Annual Engadget Awards. You don't need to select a winner in every category, but voting ends tonight at 11:59PM PT. So get your ass to the polls below and tell us who were the best and worst of 2014.

And keep locked on Engadget.com for more on our very special awards ceremony, debuting next Friday, March 27th. If you hadn't already heard, the competition is rrrrruff...

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Starbucks already has locations on nearly every street corner -- even ones directly across from each other -- but now on-demand delivery service Postmates will grab your coffee and bring it directly to your office, house or basically wherever your mouth is. Postmates plans to roll out its Starbucks delivery routes in the second half of 2015, starting in Seattle. The service wants users to order through the Starbucks mobile app and then tell Postmates to pick up that iced, grande, soy-milk caramel macchiato (with whipped cream) for them.

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Though graphene is noted for its beautiful symmetry, when you add a few warts and imperfections, it becomes more interesting -- specifically, it has the potential to make fuel cells better and cheaper. Scientists from Northwestern University and other institutions were toying with the material as a hydrogen fuel cell membrane, and found that by knocking out at least four carbon atoms from the normally pristine structure, it performed vastly better. A large number of protons (and nothing else) slipped through imperfections in the atom-thick material in just a few seconds, efficiently generating electricity.

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In 2013, the Syrian government agreed to destroy its stores of chemical weapons, following reports that it had dropped sarin, a torturous and lethal nerve gas, on a rebel-held town earlier that year. The 1993 Chemical Weapons Convention, signed by 190 nations (including the US and Syria), bars any country from creating, using or storing chemical weapons. Still, activists report even today attacks of chlorine gas in Syria, and chemical weapons remain a global issue. If the world can't eradicate chemical warfare completely, science will try to neutralize it: Today a team from Illinois' Northwestern University outlined the specifics of a manmade compound that inactivates nerve gas within minutes.

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NASA is testing its far-out electric plane concept

NASA's set to test a wing concept it says "may herald (the) future" of electric planes, but it almost looks like a joke -- it has one-third the wing area of a normal aircraft and 18 electric motors. However, the space agency is dead serious about the LEAPTech wing, a joint partnership with two private aerospace companies. It consists of a 31-foot, carbon composite span with tiny motors powered by lithium iron phosphate batteries. After successful testing at slower speeds, NASA will "fly" a wing section aboard a specially-equipped truck at speeds up to 70mph. Eventually, the wing will be mounted to a commercial Tecnam P2006T aircraft and flown by test pilots.

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