Elizabeth Barrette (ysabetwordsmith) wrote,
Elizabeth Barrette

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Sunlight Dosimeter

These patches measure how much UV light you're getting. Terramagne has something similar. They also have an opaque verision with a stoplight strip that can be read at a glance: green is fine, yellow means start looking for shelter, and red indicates sunburn level. They are available with backgrounds to match several different skin tones, and the timing is keyed accordingly, since darker skin has a higher tolerance for solar exposure.
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