Hi Nick, With the half life of Krypton 85 and the amount left since 1983 (date on data sheet) you'd have to break at least 12,000 nixies at the same time.
If I had that many and broke them, it would be a very bad day indeed. On Thursday, October 12, 2023 at 4:04:06 PM UTC+1 Nicholas Stock wrote: > Paul, that's a great note...although if I broke 750 of them at one go, I'd > be more pissed at that than a little bit of Krypton85 in the air.... LOL. > > On Thu, Oct 12, 2023 at 7:54 AM Paul Andrews <pa...@nixies.us> wrote: > >> There is a note about the safe handling and storage of tubes containing >> Krypton 85 at the end of this page >> https://www.nixies.us/bwg_gallery/122p224/ >> >> On Wednesday, October 11, 2023 at 10:54:42 AM UTC-4 Nicholas Stock wrote: >> >>> Well, alas, most of that is now Rubidium (Kr85 half life is about 10.5 >>> yrs), so you'll need to give those tubes a little extra push now... :) >>> >>> Cheers, >>> >>> Nick >>> >>> On Wed, Oct 11, 2023 at 7:48 AM jb-electronics < >>> webm...@jb-electronics.de> wrote: >>> >>>> PS: Make that "Krypton 85" >>>> >>>> On 2023-10-11 10:48 a.m., jb-electronics wrote: >>>> >>>> Interesting indeed! Could be, especially given the fact that some >>>> Burroughts tubes have Radon 85 in them to help them ionize in the dark. >>>> Seems to be the same idea? Jens >>>> >>>> On 2023-10-09 9:43 p.m., cm...@zeusprune.ca wrote: >>>> >>>> To: >>>> neoni...@googlegroups.com, Rob B <bailey...@gmail.com> >>>> >>>> >>>> On 2023-10-09 11:22, Rob B wrote: >>>> >>>> When I was a kid [~50 yrs ago], I had several power strips with NE-2 >>>> indicators, where the indicator starting flicker and then eventually >>>> failed. I noticed that when sunlight hit the NE-2s, they lit more >>>> solidly: >>>> flickering converted to solid, and off converted to flickering. I always >>>> assumed it was the energy from the sun's photons that was adding just >>>> enough joules to the equation to push failing bulbs back over their >>>> ionization threshold. Same effect, probably? >>>> >>>> >>>> which is the reason behind some neon stuff having a small amount of >>>> radioactivity added. helps kick off the Ionization. >>>> >>>> -- >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "neonixie-l" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to neonixie-l+...@googlegroups.com. >>>> To view this discussion on the web, visit >>>> https://groups.google.com/d/msgid/neonixie-l/5484e6672e77c0ae0151fe985d09766b%40zeusprune.ca >>>> >>>> <https://groups.google.com/d/msgid/neonixie-l/5484e6672e77c0ae0151fe985d09766b%40zeusprune.ca?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "neonixie-l" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to neonixie-l+...@googlegroups.com. >>>> To view this discussion on the web, visit >>>> https://groups.google.com/d/msgid/neonixie-l/61e797ac-848b-f8f6-3ce3-1acef36c105a%40jb-electronics.de >>>> >>>> <https://groups.google.com/d/msgid/neonixie-l/61e797ac-848b-f8f6-3ce3-1acef36c105a%40jb-electronics.de?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "neonixie-l" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to neonixie-l+...@googlegroups.com. >>>> >>> To view this discussion on the web, visit >>>> https://groups.google.com/d/msgid/neonixie-l/8a611162-4942-a424-6923-3e989798da12%40jb-electronics.de >>>> >>>> <https://groups.google.com/d/msgid/neonixie-l/8a611162-4942-a424-6923-3e989798da12%40jb-electronics.de?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "neonixie-l" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to neonixie-l+...@googlegroups.com. >> > To view this discussion on the web, visit >> https://groups.google.com/d/msgid/neonixie-l/49851ed4-64f7-4ae5-a376-4a91aac1c515n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/neonixie-l/49851ed4-64f7-4ae5-a376-4a91aac1c515n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to neonixie-l+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/02bb67bc-e8cf-4cfe-9fed-935743bb160dn%40googlegroups.com.
