xia@lemmy.ca to Showerthoughts@lemmy.worldEnglish · 7 days agoIf you reverse the polarity of a fire-alarm, you get a fire-starter.message-squaremessage-square17linkfedilinkarrow-up11arrow-down10
arrow-up11arrow-down1message-squareIf you reverse the polarity of a fire-alarm, you get a fire-starter.xia@lemmy.ca to Showerthoughts@lemmy.worldEnglish · 7 days agomessage-square17linkfedilink
minus-squarexia@lemmy.caOPlinkfedilinkEnglisharrow-up0·7 days ago…and likewise, many things stop working during a fire, making them rudimentary fire-detectors.
…and likewise, many things stop working during a fire, making them rudimentary fire-detectors.