{"guid":"5deb39f0-8af0-520d-bb1a-73eafab42e9b","title":"Antiparticles and Geiger counters","subtitle":null,"slug":"emf2018-167-antiparticles-and-geiger-counters","link":"https://c3voc.de","description":"Geiger counters are interesting and surprisingly useful devices, and you can build one for less than the price of a video game. They can monitor background radiation levels, check household items such as smoke alarms and gas mantles, and provide information about medical treatments. I designed and built my own unit having been diagnosed with cancer in 2017, and it has provided some fascinating insights.\n\nThis talk describes the design and construction of a simple Geiger counter with an OLED display and a recording facility, and illustrates some of the science behind medical procedures involving radiation, such as PET scans (Positron Emission Tomography) and radiotherapy.","original_language":"eng","persons":["Chris Taylor"],"tags":["emf2018","167"],"view_count":94,"promoted":false,"date":"2018-09-01T00:00:00.000+02:00","release_date":"2018-09-05T02:00:00.000+02:00","updated_at":"2026-04-13T01:30:03.510+02:00","length":1853,"duration":1853,"thumb_url":"https://static.media.ccc.de/media/events/emf/2018/167-hd.jpg","poster_url":"https://static.media.ccc.de/media/events/emf/2018/167-hd_preview.jpg","timeline_url":"https://static.media.ccc.de/media/events/emf/2018/5deb39f0-8af0-520d-bb1a-73eafab42e9b-timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/events/emf/2018/5deb39f0-8af0-520d-bb1a-73eafab42e9b-thumbnails.vtt","frontend_link":"https://media.ccc.de/v/emf2018-167-antiparticles-and-geiger-counters","url":"https://api.media.ccc.de/public/events/5deb39f0-8af0-520d-bb1a-73eafab42e9b","conference_title":"Electromagnetic Field 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