Engineering

New coating hides temperature change from infrared cameras

An ultrathin coating developed by University of Wisconsin-Madison engineers upends a ubiquitous physics phenomenon of materials related to thermal radiation: The hotter an object gets, the brighter it glows.

Internet

Facebook says it spoke to FTC about kids chat app that had flaw

Facebook Inc. said it had spoken to the U.S. Federal Trade Commission, which recently settled with the social media giant for $5 billion over allegations of privacy violations, about its Messenger Kids app that the company ...

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