Oregon Scientific Portable UV monitor
Being fair-skinned, my time outdoors is usually done from inside a thin candy shell of sunscreen and sweat. Even that rarely protects me from sunburns, as my skin has a charming tendency to withstand sunlight for hours, then go from rosy to rock lobster in minutes. It's all in the amount of actual UV I'm getting, I guess, but it's impossible to tell how much radiation I'm absorbing when even a 100 watt bulb is enough to make me flush and reach for the lemonade.
buy this "Portable UV Sensor" from Oregon Scientific which monitors incoming UV rays and can calculate exposure time based on the SPF of my sunblock. (Provided they have a setting for "sludge.") But I won't because it's one more thing to haul around in the outdoors. And the last thing I need is an alarm confirming mid-hike that yes, I am indeed going to regret leaving the house.
The Portable UV Sensor sells for around $20. Perfect for lifeguards!
[Amazon via Coolest Gadgets
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