China is developing a next-generation maglev system designed to reach 1,000 km/h by combining magnetic levitation with low vacuum tube travel. This video breaks down how it works, why it goes far ...

Second generation écoute vacuum tube wireless noise cancelling headphones improve comfort and sound in a slightly modified design. What if headphones were not trying to imitate a hi-fi system but ...

Chicago, Jan. 16, 2026 (GLOBE NEWSWIRE) -- The global vacuum blood collection tube market was valued at 3.24 billion in 2024 and is expected to reach US$ 4.40 billion by 2033, growing at a CAGR of ...

Older table-top AC-DC radios used a classic line-up of tubes. Think 12SA7, 12SK7,12SQ7, 35Z5GT, and 50L6GT. As I grew into my teens, I got interested in how these radios worked and soon discovered ...

Do you have experience with vacuum tubes? Help us analyze a Heathkit oscilloscope schematic and compare it to what AI told me. Figure 1. The front panel of a Heathkit OI-10 oscilloscope uses banana ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Crazy Tube Circuits has positioned itself as a specialist in the twofer overdrive pedal, pairing boost and drive, or different flavours of drive, to give players a powerful yet compact all-in-one gain ...

The film discusses the crucial role of vacuum tubes in radio broadcasting, detailing the various jobs involved in the industry, from production and scriptwriting to technical maintenance and ...

T&D World Editorial Director Nikki Chandler and ABB Global Product Manager Michael Christian sit down to discuss the role of ADVAC 38 medium voltage circuit breaker technology in power distribution ...

Science keeps discovering new worlds and industry keeps conquering them—sometimes absorbing a few casualties in the process. After the transistor was invented, it caused trouble for many vacuum-tube ...

As a service to our readers, we're providing the LTspice files used in Dr. Dyer's article on simulation of the 12AX7 and the K2-W vacuum-tube op amp. 1. The model for the K2-W is established as a ...