When HN users recommended it
1 HN user recommended this in 2020, in one comment.
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.
Nite Tritium Keyring Glowring Colours
Amazon's catalog no longer lists this product (checked 2026-11-02). The name comes from the link HN users posted.
From wikipedia it seems Ci is a curie.
Tritium is a hydrogen isotope, just releasing it in the atmosphere where it will float up and eventually escape seems a possibility. Not suggesting, just asking, really.
OTOH I thought tritium was rather valuable. I guess finding a buyer might be the difficult part.
Out of interest, I have a beta light (https://www.amazon.co.uk/Nite-Tritium-Keyring-Glowring-Colou...) and it's still glowing well after a couple of years. I've wondered how much energy it actually contains, were it released at once - any one know?