#strontium90 — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #strontium90, aggregated by home.social.
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💁🏻♀️ TIL: ☢️📱 Old #smartphone cameras with CCD sensors can “see” #beta #radiation as actual spots of #light.
Pointed at a Strontium-90 source in darkness, the #camera registers high-speed #electrons smashing into the sensor. Scientists confirmed that radiation-detection smartphone #apps can legitimately measure exposure.
👉 https://petapixel.com/2026/06/11/this-is-what-radiation-looks-like-to-an-old-phone-camera/