Iridium 192 X-ray spectrum

A lot of industrial NDT X-ray inspection is done using Isotope sources. Both Cobalt 60 and Iridium 192 are often used. While it’s easy to find a Co60 X-ray spectrum, I couldn’t find a simple table of energy vs. intensity for Iridium, so I had to do some digging.

Here’s a plot I created from values collected from several sources, the values can be found after the break:

It’s also easy to calculated the weighted average to get a mean energy of 348 keV.

Weiterlesen

Crypto-Scam and the exponential function

Since several years, I’m interested in crypto-currencies. I’m active in some chat groups on the topic on several platforms, one of them being Telegram. Every once in a while, I get messaged by people with very professional profile-pics, a trustworthy name („Stan“) and a very creative opener („Halo!“[sic!]). The person I am, I usually reply to spam and go with the conversation. Recently, one of those conversations brought up a homepage, where you can supposedly make A LOT of money by automatically investing in crypto currencied and other. But how much is a lot and can that actually be true?

Weiterlesen