Whenever I think of glow sticks, my first thoughts are of kids’ sleepovers or rock concerts. Despite the visions of the Dollar Store party supply section that are probably dancing through your head, the bright tubes are actually a great addition to your preparedness supplies.
Glow sticks are also known as light sticks or chemical lighting. Here is how they work:
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A glow stick is made from a plastic sheath or tube that houses a mix of chemicals. Basically, the way it works is that you bend the sheath to crack the capsules that hold the different chemicals separate from one another, then you shake it up to mix the contents, creating a chemical reaction that emits energy with only a teeny emission of heat.