Hiding secret codes in light protects against fake videos

Submitted ⁨⁨1⁩ ⁨week⁩ ago⁩ by ⁨cm0002@piefed.world⁩ to ⁨technology@lemmy.zip⁩

https://news.cornell.edu/stories/2025/07/hiding-secret-codes-light-protects-against-fake-videos