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Online stores have made shopping a breeze. They offer a lot of convenience over the traditional brick and mortar stores. You can easily browse a number of products with a few clicks from the convenience of your home or office. You can compare the products, their prices from different stores and make the best decision. However, with all these conveniences it also becomes our responsibility to choose the right online stores that are secure and trustworthy so, that we are safe from any frauds or scams. We all have heard of one or another story about online frauds and scams....

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If you’ve seen those videos with fascinating ink-like fluid spiraling into thorns and prickling patterns, you’ve seen ferrofluid. But what exactly is this stuff, and why does it act that way? Is it really some type of liquid magnet? Perhaps more importantly, can you get some? Let’s dive in! Ferrofluid: When magnets go nano The typical ferrofluid you see in viral videos is made by mixing a bunch of very, very small bits of iron oxide with oil, and usually some kind of surfactant to prevent the pieces from clogging together. The most common kind of iron oxide used in ferrofluid is...

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WHY IT MATTERS TO YOU The Internet of Things is already taking over your home, and now, a partnership between AT&T and GE may help it take over your city as well. AT&T and GE are working together to monitor and mic up our cities. It’s not quite as creepy as it sounds — rather, the two technology companies are hoping that their new collaboration will “help accelerate the digital era of urban development” by connecting cities throughout the U.S. and Mexico to the Internet of Things. With this connectivity, AT&T and GE hope that cities and their denizens will...

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Why it matters to you On the hunt for next-generation antibiotics, researchers think they may have found the answer in the blood of the terrifyingly large and poisonous Komodo dragon. Here’s one way you could haze a new intern in a biomedical lab: Ask them to go track down a sample of Komodo dragon blood for analysis. The big, strong, venomous creatures (referring to Komodo dragons, not interns!) are Indonesian natives, the largest living lizards in the world — and probably not the biggest fans of being used to help humans research better antibiotics. More: You may soon be able...

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WHY IT MATTERS TO YOU The inventor who inspired the maglev train is back with a maglev rocket launcher concept for launching vehicles into space. It's both crazy and crazily awesome! You may be familiar with the name James Powell, a prolific inventor who, back in 2000, was one half of the team behind the superconductive magnetic levitation train — which went on to inspire the ultra-fast Tokyo to Osaka maglev train. Well, Powell last year filed a patent application for a related concept: a “SpaceTram” maglev rocket launcher that would eschew chemical propellants in favor of magnets for launching...

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