ITHACA, N.Y. – Fact-checkers may have a new tool in the fight against misinformation. A team of Cornell University researchers has developed a way to “watermark” light in videos, which they can use to ...

Fact-checkers may have a new tool in the fight against misinformation. Subscribe to our newsletter for the latest sci-tech news updates. A team of Cornell researchers has developed a way to "watermark ...