My favorite   ☢️   specimen during an otherwise not-so-good year. This mineral exhibits awesome green crystals and it is named after one o...

I decided to build my own Gamma Spectroscopy detector - I needed a second one to experiment with coincidence counting and realized that it w...

 The Sealed Isotope Disk Sources by Spectrum Techniques are extremely useful as reference / calibration sources for Gamma Spectroscopy and f...