When HN users recommended it
2 HN users recommended this between 2012 and 2014, in 2 comments.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
2 HN users recommended this between 2012 and 2014, in 2 comments.
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
Why Kickstarter something you can buy on Amazon right now?
http://www.amazon.com/RADStickerTM-radiation-exposure-determ...
To be more precise, there are also badges that are configured to change color once a dose threshold has been breached, and can provide a very precise dosage number if you send it into a lab.
At the highest end you also have active dosimeters that can give accurate readings on the spot.
http://www.amazon.com/RADStickerTM-radiation-exposure-determ...