News

Two expert gardeners tested the Worx Leaf Vacuum to see if this three-in-one blower/vacuum/mulcher can stand up to the ...
Let's start with the good bits. The dust compactor works extremely well and is a logical, solidly useful addition. It gives ...
Do you have experience with vacuum tubes? Help us analyze a Heathkit oscilloscope schematic and compare it to what AI told me.
The Deebot X9 Pro Omni is the latest flagship robot vacuum from Ecovacs. At $1,300, it doesn't come cheap, but it is one of the most ...
5U4 tubes are now available in the Ray Tubes SELECT Collection. Vacuum tube company expands line-up with new-production 5U4 rectifier tubes in its SELECT Collection Rectifiers like the 5U4 aren ...
Chinese engineers create travelling-wave tube which transmits radars with 500 watts of output, previously only possible in larger devices.
Climate Solutions Trash sucks: A Norwegian city uses vacuum tubes to whisk waste away Bergen, Norway, has been building one of the world’s most advanced trash systems in its 955-year-old city ...
Since the plate in the tube has only a positive potential, the electrons thrown off by the filament are strongly attracted through the vacuum and an increased current will flow.
In what feels like news straight out of 2016, a Hyperloop testing facility in Europe has completed the longest-ever vacuum capsule journey. The milestone could bring this oft-forgotten promise of ...
The test took place in a 2-kilometer tube with a low-vacuum environment located in Datong, Shanxi Province, marking the first time the integration of the train’s systems had been put to the test, as ...