News tagged with reversibility

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 ...

Apr 16, 2013
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Herbal defluoridation of drinking water

Researchers in India have developed a filter system based on a medicinal herb, which they say can quickly and easily remove "fluoride" from drinking water. The technology described in the March issue of the International Jo ...

Mar 05, 2013
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