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 ...

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 ...

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 ...

Abstract: Reliability Block Diagrams (RBDs) are pictorial representations that evaluate a system's availability by considering its components and their interconnections. In communication networks, a ...

THE value of block diagrams in geographical and geological instruction cannot be questioned, but many teachers find these difficult to draw, especially on the blackboard, at short notice. Prof. Lobeck ...

A MONOCHROMATIC beam of cathode rays was directed against a cleavage face of calcite at a grazing incidence, and the diffraction pattern was obtained on the photographic plate placed behind the ...

Abstract: In this study, a compact high-frequency pulsed X-ray tube based on carbon nanotube (CNT) field emission was developed. A high-adhesion CNT cathode electron emitter was fabricated using an ...

The Korean Medical Association (KMA) declared on the 25th that it would mobilize all available means to block ingredient-name prescriptions and the authorization of X-ray use by traditional Korean ...