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US approves drone flights for insurer AIG

Insurance giant American International Group Wednesday announced that it had won US government approval to use drones to survey disaster areas, including territory that may be otherwise inaccessible.

dateApr 08, 2015 in Engineering
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Explainer: What is a superconductor?

Materials can be divided into two categories based on their ability to conduct electricity. Metals, such as copper and silver, allow electrons to move freely and carry with them electrical charge. Insulators, ...

dateMar 05, 2015 in Superconductivity
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