Livestream: Space WX, Propagation, Amateur Radio – Sundays
Join us, every Sunday at 21:15 UTC (5:15 PM, Eastern Daylight Time, 4:15 PM Standard), for an informal livestream chat session about: – current space weather — the Sun/Earth connection …
Sun
Vacuum Tubes – Electronics at Work: 1943 Educational Film
In the classic educational film titled “Electronics at Work,” produced by Westinghouse in 1943, viewers are introduced to the fascinating world of vacuum tubes. This film highlights the crucial role …