The human eye’s color perception is notoriously variable (see, for example, the famous dress), which makes it difficult to standardize...
spectrometer
A spectrometer is a pretty common lab instrument, useful for determining the absorbance of a sample across a spectrum of...
Release Date: October 19, 2024 ATTENTION: Due to the DDOS Cyberattack on Internet Archive, our host for files is offline...
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...