If you ever wanted to build your own tube amplifier but you were intimidated by working with high voltages, [Marcel]’s low-voltage tube amp design might spark your interest. The design operates ...

The strength of two currents was not necessarily related -- a weak current might be applied to the tube's grid, but a much stronger current could come out the main electrodes of the tube.

The innovation with this tube was to parallelize the output — instead of a single electron beam being rastered across the shadow mask at the appropriate position, a ribbon of electrons fell on ...

Welcome to our free mini crossword puzzles. Follow the clues and attempt to fill in all the puzzle’s squares. Check back each day for a new puzzle or explore ones we recently published.

If you’re looking for a mini PC to emulate retro games, the reviews posted by the YouTube channel ETA Prime are thorough and widely sample the category. A handful of other powerful barebones ...

The tube has a thin window made of mica at one end. There is a central electrode inside the GM tube. A high voltage supply is connected across the casing of the tube and the central electrode as ...

Apple announced Mac mini models with M2 and a brand new Mac mini with M2 Pro back in January 2023. Since the standard model already has a low price we don’t tend to see huge discounts.

The video runs just under two minutes and is a lot of fun. It gives the Mac mini a personality, with the device bouncing around a desk, narrating what’s happening throughout the ad. Apple’s ...

In 2014, we introduced The Mini Crossword — followed by Spelling Bee, Letter Boxed and Tiles. In early 2022, we proudly added Wordle to our collection. Since then we have created Connections and ...

Take the standard Mini Cooper’s compact footprint, cheerful personality, and almost-a-go-kart vibe, bestow it with a more powerful engine tune, suspension modified for sharper handling ...

The Mac mini was updated in October 2024 with a smaller design, Apple's M4 and M4 Pro chips, front USB-C ports, and rear Thunderbolt 4 or Thunderbolt 5 ports. Pricing starts at $599 with pre ...

It sounds like something out of a science-fiction movie. For the past couple of weeks, Earth's orbit has been home to a "mini-moon" the size of a city bus. The celestial object is more than just a ...