Hi-Tech Cameras Spy Fugitive Emissions

The technology used in space missions can be expensive but it has some practical benefits here on Earth. Case in point: the thousands of high resolution images taken from the surface of Mars, collected by the two Mars rovers – Spirit and Opportunity. Now researchers at Carnegie Mellon University, in Pittsburgh, are using the same technology to analyze air pollution here on our planet. VOA’s George Putic reports.

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Facebook Unable to Identify Who Was Behind Network of Fake Accounts

Facebook said Tuesday it had been unable to determine who was behind dozens of fake accounts it took down shortly before the 2018 U.S. midte...