Bumpy battery surfaces can masquerade as nanoscale ion pathways, misleading material design

WorldPing

A signal that appears to show ions moving inside a battery may, in fact, be an illusion caused by an uneven surface.

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Phys.org•

New nitride semiconductor expands material options for more powerful electronics

Polar wurtzite nitride semiconductors, such as aluminum nitride (AlN) and gallium nitride (GaN), are central to modern high-power and high-frequency electronic devices because of their wide band gaps, high breakdown electric fields, and strong sponta…

Brief by WorldPing · Original reporting by Phys.org

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Engadget•

How Long Should A Laptop Battery Last On A Single Charge?

In the market for a new laptop? You'll want to know just how long it'll run without being plugged in, and how you can maximize the efficiency of its battery.

Brief by WorldPing · Original reporting by Engadget