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Portables

Ten Gadgets That Defined the Decade 313

Corpuscavernosa writes "As 2009 winds down and we try to come up with new and clever ways of referring to the early years of this century, there's really only one thing left to do: declare our ten favorite gadgets of the aughts and show them off in chronological order. It's arguable that if this wasn't the decade of gadgets, it was certainly a decade shaped by gadgets — one which saw the birth of a new kind of connectedness. In just ten years time, gadgets have touched almost every aspect of our daily lives, and personal technology has come into its own in a way never before seen. It's a decade that's been marked the ubiquity of the internet, the downfall of the desktop, and the series finale of Friends, but we've boiled it down to the ten devices we've loved the most and worked the hardest over the past ten years. We even had some of our friends in the tech community chime in with their picks on what they thought was the gadget or tech of the decade."
Science

Tapering Waveguide Captures a Rainbow 72

SubComdTaco passes along news of researchers in the US who have trapped a rainbow in a tapering waveguide. The research is described (PDF) on the arXiv. "In 2007, Ortwin Hess of the University of Surrey in Guildford, UK, and colleagues proposed a technique to trap light inside a tapering waveguide [made of metamaterials]... The idea is that as the waveguide tapers, the components of the light are made to stop in turn at ever narrower points. That's because any given component of the light cannot pass through an opening that's smaller than its wavelength. This leads to a 'trapped rainbow.' ... Now Vera Smolyaninova of Towson University in Baltimore, Maryland, and colleagues have used a convex lens to create the tapered waveguide and trap a rainbow of light. They coated one side of a 4.5-mm-diameter lens with a gold film..., and laid the lens — gold-side down — on a flat glass slide which was also coated with film of gold. Viewed side-on, the space between the curved lens and the flat slide was a layer of air that narrowed to zero thickness where the lens touched the slide — essentially a tapered waveguide. When they shone a multi-wavelength laser beam at the... gilded waveguide, a trapped rainbow formed inside. This could be seen as a series of colored rings when the lens was viewed from above with a microscope: the visible light leaked through the thin gold film."
Space

Junior-Sized Supernova Discovered By New York Teen 154

Matt_dk writes "In November 2008, Caroline Moore, a 14-year-old student from upstate New York, discovered a supernova in a nearby galaxy, making her the youngest person ever to do so. Additional observations determined that the object, called SN 2008ha, is a new type of stellar explosion, 1000 times more powerful than a nova but 1000 times less powerful than a supernova. Astronomers say that it may be the weakest supernova ever seen."

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