this post was submitted on 10 Mar 2025
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Today I Learned (TIL)

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You learn something new every day; what did you learn today? Submit interesting and specific facts about something that you just found out here.

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The original post: /r/todayilearned by /u/ICanStopTheRain on 2025-03-10 14:26:01.

Original Title: TIL that PET scans work based on antimatter. The patient is injected with a radioactive material that generates positrons, which annihilate with electrons in the patient’s body. The PET scanner detects the gamma radiation that’s generated.

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