But with such equipment as cloud and bubble chambers and scintillation counters, traces of their existence are observed.
ولكن بوجود آلات مثل حجرات السحاب والفقاقيع cloud and bubble chambers وعدّادات التلألؤ scintillation counters‏ ،‏ يمكن ملاحظة آثارها .‏