[OC] Radioactivity over time (3 x-ray scanners and 2 flights)

Posted by jsrobson10

5 comments

  1. More information:

    * Geiger tube used: M4011
    * Device used: FNIRSI GC-01 (with RadPro firmware)
    * Total clicks (851 mins): 124.2k (64.2k without x-ray machines)
    * Raw data: https://pastebin.com/3DubRfQE
    * Airport 1
    * Background (109 min -> 282 min): 19.2 cpm
    * X-ray scanner (108 min): 13.0 kcpm
    * Flight 1
    * Background (295 min -> 340 min): 188.3 cpm, 8.7 kclicks total
    * Distance: 618 km / 384 miles
    * Airport 2
    * Background (399 min -> 466 min): 18.6 cpm
    * X-ray scanner (397 min): 43.3 kcpm (43.7 kclicks total for 397 min -> 398 min)
    * Flight 2
    * Background (490 min -> 607 min): 319.4 cpm, 37.7 kclicks total
    * Distance: 2146 km / 1333 miles
    * Airport 3
    * Background (694 min -> 851 min): 18.4 cpm
    * X-ray scanner (693 min): 3.19 kcpm

  2. Why and how were you measuring this?

    (Really interesting BTW!)

  3. So we get 100x more powerful X-ray in security vs the flight? Crazy

  5. Man I’m an idiot, I was wondering why you’re spending your time flying around just to go get x-rays at different places (maybe different doctors for different opinions but couldn’t they just look at the same x-ray and give you an opinion?), until I remembered airport security exists.

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