alt Hacker NewsIs it just ice? I thought most neutrino detectors were large underground pools of water. I mean ... tomāto/tomăto, yes, but is solid water better than liquid water?
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cozzyd • today at 3:37 PM
Depends on the energy scale involved!
Higher energy = "easier" to detect (produce more light or radio emission), but the events are rarer so you want to build a bigger detector.
There are also underwater pools of water being used :) (KM3Net,P-ONE, Baikal-GVD, etc.)
The size of the detector can be very large, stable, and protected with an ice cap. https://icecube.wisc.edu/science/icecube/
There aren't a lot of places with multiple km of water without things like animal life or other confounders.