News tagged with electrical transport

Temperature fluctuations cause excess noise

The thermal noise of the electric current has been well known for almost a century. In an article published this week in Physical Review Letters, a group of researchers from the Low Temperature Laboratory of Aalto Univer ...

dateMay 14, 2010 in General Physics
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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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NREL connects EVs and grid integration

Engineers working at the Vehicle Testing and Integration Facility (VTIF) enjoy a stunning view of the Denver skyline. However, some days the view includes Denver's 'brown cloud'—air pollution caused in part by vehicle emissions. ...

dateFeb 05, 2013 in Energy & Green Tech
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Heat flow control for future nanoelectronics

Electronic devices and their components are getting smaller and smaller. Through his doctoral research at the Department of Applied Physics in Aalto University, Tomi Ruokola has examined how the heat generated by electronic ...

dateAug 29, 2012 in Nanophysics
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