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November 24/December 1, 2008

Microrobot takes cue from nature

Make a tiny octopus from the right type of rubber and you have a prototype microrobot that works in watery environments. [more]

Nanotubes crank out tunes

Attach electrodes to an ultrathin sheet of carbon nanotubes and you have a simple, lightweight, transparent and flexible loudspeaker. [more]

Chaotic lasers encrypt fast data

Measure the rapidly and randomly fluctuating light of a pair of chaotic lasers and you can encrypt secret high-speed communications. [more]

Curves bring invisibility into focus

Map the mathematics of invisibility onto curved shapes and you have a route to making invisibility cloaks that work across a wide range of light wavelengths. [more]

Silk builds bone

Meld silk and calcium and you have an artificial bone material that does a good job of approximating the real thing. [more]


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November 21st, 2008
Science news roundup: mind speaking, pot memory and laser hearing
Interesting news from around the science press: A locked-in syndrome patient with an electrode implanted in his brain was able to control a speech synthesizer with his thoughts... [more]

November 18, 2008
Biofuels debate

"Physics is to the rest of science what machine tools are to engineering. A corollary is that science places power in our hands which can be used for good or ill. Technology has been abused in this way throughout the ages from gunpowder to atomic bombs."
- John Pendry, Imperial College London

Thanks to Kevin from
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