Collaborate Disseminate
Unless you are an audiophile, you likely think of tubes as mostly relegated to people who work on old technology. However, photomultiplier tubes are still useful compared to more modern …read more Continue reading Single Photon Detection with Photomultipliers
Ever wanted a good, good look at the insides of a 1950s radio, along with fantastic commentary on the internals and the purpose of various components? Then don’t miss [Adam …read more Continue reading Everything You Wanted to See About Restoring a 1956 Radio
[Mr. Carlson] has an old-style 1940-era radio tube tester, the kind that used to inhabit grocery and drug stores. It is in amazing condition and he was kind enough to …read more Continue reading Vintage Tube Tester Teardown
The sound produced by any given electric guitar is shaped not just by the instrument itself but by the amplifiers chosen to make that sound audible. Plenty of musicians swear …read more Continue reading Reactive Load For Amplifiers Teaches Lessons About Inductors
Typically, if you want to convert solar energy into electrical energy, you use either photovoltaic (PV) cells, or you use the sunlight to create steam to turn a turbine. Both …read more Continue reading Hackaday Prize 2022: Glass Tube Solar Thermionic Converters
When we were kids we rode bicycles without pads and helmets. We drank sugary drinks. We played with chemistry sets and power tools. We also built things that directly used …read more Continue reading This Ham Radio is Unsafe at Any Frequency
There was a time when people like us might own a tube tester and even if you didn’t, you probably knew which drug store had a tube testing machine you …read more Continue reading Modern Tube Tester Uses Arduino
Old wives’ tales, folk knowledge, common sayings, and even cliches and idioms are often taken as givens since they form an often unnoticed part of our vocabulary and culture. There’s …read more Continue reading You Can Put Toothpaste In the Tube (With Effort)
Some of you may remember a recent project that featured on these pages, a 555 timer reproduced using vacuum tubes. Its creator [Usagi Electric] was left at loose ends while …read more Continue reading Vacuum Tube Magic Comes To The 741
We think of punched cards as old-fashioned, but still squarely part of the computer age. Turns out, cards were in use way before they got conscripted by computers. Jacquard looms …read more Continue reading Your 1958 Punch Card Machine Tested Tubes