Caltech-led engineers solve longstanding problem in photonic chip technology

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Stretching for thousands of miles beneath oceans, optical fibers now connect every continent except for Antarctica. With less data loss and higher bandwidth, optical-fiber technology allows information to zip around the world, bringing pictures, video, and other data from every corner of the globe to your computer in a split second. But although optical fibers are increasingly replacing copper wires, carrying information via photons instead of electrons, today's computer technology still relies on electronic chips.

Cleaner Water Worldwide But Still Out of Reach for Millions

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Clean water and decent sanitation. Those of us who live in developed countries probably don’t give these things a second thought. But for more than 800 million people around the globe, safe drinking water is a distant luxury

Pollution and Climate Change Accelerate Ocean Degradation

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UNITED NATIONS -- A scientific panel issued a report to U.N.

Ferromagnetism plus superconductivity

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It seems impossible: Scientists from the Helmholtz-Zentrum Dresden-Rossendorf and the TU Dresden (Germany) were able to verify with an intermetallic compound of bismuth and nickel that certain materials actually exhibit the two contrary properties of superconductivity and ferromagnetism at the same time.