Internet

TikTok tightens privacy features for younger users

A month after federal regulators ordered it to disclose how its practices affect children and teenagers, TikTok is tightening its privacy practices for the under-18 crowd.

Computer Sciences

Platform developed to help users control their personal data

The trove of digital data we generate in our daily lives can potentially make us more efficient, increase sustainability and improve our health, among other benefits, but it also poses threats to privacy.

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.

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