News tagged with energy density

Using single quantum dots to probe nanowires

Modern telecommunications happens because of fast electrons and fast photons. Can it get better? Can Moore's law—the doubling of computing power ever 18 months or so—be sustained? Can the compactness ...

dateFeb 05, 2013 in Nanophysics
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Two takes on lithium-ion batteries

Lithium-ion batteries have transformed our lives. Without them, we wouldn't have laptop computers or cell phones—at least, not the long-lived, lightweight kindwe're used to—and in the near future they ...

dateApr 16, 2013 in Energy & Green Tech
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Japan doubles plant radiation leak estimate

Japan has more than doubled its initial estimate of radiation released from the crippled Fukushima nuclear plant in the week after the March 11 tsunami, ahead of the launch of an official probe Tuesday.

dateJun 07, 2011 in Environment
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