It's also 99 percent dust - free, keeping both owners and cats from breathing in unwanted particles. (petbusiness.com)
Scintillator fluid will surround LZ's xenon tank and will help scientists veto the background «noise» of unwanted particle signals. (newscenter.lbl.gov)
A vast water tank blocks unwanted particles so the XENON1T experiment in Italy can seek out elusive WIMPS — the particles that may make up dark matter (newscientist.com)