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Ansmann Offers Lithium BatteriesANSMANN now offers lithium batteries in sizes Micro AAA, Mignon AA and as 9V-block.
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Physicists Find Way to See Through Opaque MaterialsMaterials such as paper, paint, and biological tissue are opaque because the light that passes through them is scattered in complicated and seemingly random ways. A new experiment conducted by researchers at the City of Paris Industrial Physics and Chemistry Higher Educational Institution (ESPCI) has shown that it's possible to focus light through opaque materials and detect objects hidden behind them, provided you know enough about the material.
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