Electronics enthusiasts that would like to create their very own portable spectrometer may be interested to know that instructions have been published online to create the Spectroscopy just under $250 ...

We don’t know why [stoppi71] needs to do gamma spectroscopy. We only know that he has made one, including a high-voltage power supply, a photomultiplier tube, and–what else–an Arduino. You also need a ...

Spectrophotometry is an important scientific tool, most commonly used in biology and chemistry. It’s a method to measure the amount of light absorbed by a chemical solution at various different ...