• Echo Dot@feddit.ukEnglish
    2·
    11 个月前

    But you can see the radiation beam perfectly easily without illumination so what’s the actual problem

    • stinky@redlemmy.comEnglish
      11·
      11 个月前

      the lighting should be consistent throughout the experiment so that the effect of the radiation cannot be confused with change in light levels. goodness, why would someone need that explained to them? you must not be the inquisitive type.