Smart-Swim Bikini
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The bikini beeps when you’ve reached the safe limit of exposure to ultraviolet light.
The “Smart-Swim Bikini”, due to go on sale next month, measures UV intensity and displays it on scale from 0 to 20. Anything above 11 is considered “extreme”, and a reading between three and five a “moderate” level of risk.
Itsy witsy teeny weeny beeping UV-proof bikini