The human eye’s color perception is notoriously variable (see, for example, the famous dress), which makes it difficult to standardize...
spectrophotometer
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via Amateur Radio Daily: Software Fix Keeps Veritium HFClock Running
Via the RSGB: Host an ARISS Intl contact
via Hackaday: Rare IBM PC Brought Back To Life
Radio Asheville launches an emergency alert network built to survive a total blackout, like occurred with Hurricane Helene (North Carolina)
Via the RSGB: Learn about HF propagation studies at the RSGB Convention
