Grow your own gnome
Internet radio provider Slacker is bulldozing the thin line dividing itself from subscription-based music services today, with the launch of Radio Plus. The new pricing tier joins the existing gratis Basic Radio and ad-free Premium Radio plans, adding an all-you-can-eat music model akin to services like Rhapsody and Rdio. Subscribers who shell out $9.99 a month receive all of the features of the $4.99 Premium Radio users, plus unlimited access to eight million songs, letting them listen to what they want, when the want, and generally play god with the site's existing radio services. Radio Plus also gives you on- and offline access to music on a number of mobile devices, including the iPad, iPhone, iPod touch, Android, and BlackBerry handsets -- not to mention unlimited bragging rights to all of your broke friends who are still rocking the Basic Radio plan. Don't feel too bad for 'em, though -- at least they didn't get suckered into slotRadio.
As you may know, crafting a katana is a delicate process that involves carefully constructing a razor-sharp high-carbon edge around a soft shock-absorbent core. One day though, smiths and forging fires could be replaced by electrode-wielding mad-scientists, with the technology to selectively harden and soften metal at will. At least that's what we envisioned when we read about Jörg Weißmüller's breakthrough research in the field of nanomaterials. The German scientist discovered that by placing precious metals in acid he could create tiny ducts through corrosion. Once those channels are flooded with a conductive liquid, electrical currents can be used to harden the material and, if you change your mind about the brittle results, the effect can easily be reversed to make it soft again. The tech could eventually lead to self-healing vehicle armor or scratch-resistant cellphones -- but, really, we just want to zap our way to a high-quality samurai sword. Physorg
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