How's the eye? On Friday, March 16, 2018 at 4:18:58 PM UTC-4, philthepill wrote: > > When I was a teen-ager in the 1960's I bought a radiation experimenters > kit which had a small device which looked like a watch-makers eyepiece > except it had a screen in the front which fluoresced under radiation. It > was called a spinarthroscope. The kit included a small piece of uranium > ore. In a dark room, you put the device on your eye and held the uranium > up to the screen and could see green flashes caused by the radiation > interacting with the screen at the front. > > ---------- Original Message ---------- > From: HuggerMugger > Date: March 16, 2018 at 4:01 PM > > I saw what the radium did to people in a documentary about the period of > elements: > https://en.wikipedia.org/wiki/Radium_jaw > Radium is closely related to Calcium and hence the body absorbs radium and > stores it where radium use to be stored – in the skeleton. and most often > in the jaw bones. > > /Magnus > > *From:* gregebert > *Sent:* Friday, March 16, 2018 6:11 PM > *To:* neonixie-l <javascript:> > *Subject:* [neonixie-l] Re: OT: Radioactive clock > > And just because it no longer glows, does NOT mean it's no longer > radioactive. Radium half-lifes in 1600 years; the 'glow agents' deplete > after a few years. > > I dont know how dangerous these items are, though. Radium undergoes alpha > particle decay, and those particles are easily stopped. Even a paper bag > will block alpha particles. But if you were to ingest an alpha-particle > emitter, that will be bad. > -- > 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 <javascript:>. > To post to this group, send email to neoni...@googlegroups.com > <javascript:>. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/6c6ffb3f-5ef8-47fe-9e8f-c21473168e26%40googlegroups.com > > <https://groups.google.com/d/msgid/neonixie-l/6c6ffb3f-5ef8-47fe-9e8f-c21473168e26%40googlegroups.com?utm_medium=email&utm_source=footer>. > > > For more options, visit https://groups.google.com/d/optout. > > > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> > Virusfritt. > www.avast.com > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> > > > > > > > -- > 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 <javascript:>. > To post to this group, send email to neoni...@googlegroups.com > <javascript:>. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/DB784E7651144866B936BC197CF39CBC%40MK > > <https://groups.google.com/d/msgid/neonixie-l/DB784E7651144866B936BC197CF39CBC%40MK?utm_medium=email&utm_source=footer>. > > > For more options, visit https://groups.google.com/d/optout. > > > >
-- 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 post to this group, send an email to neonixie-l@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/dd2592e7-6d2d-4a18-8361-a4feddfde603%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
