For the unfamiliar, high-frequency facial wands “use a glass electrode filled with either argon or neon gas and a mild electrical current that passes through the gas, which creates a soft tingling ...

Abstract: An impedance measurement (IM) technique based on asynchronous quadrature-phase undersampling is proposed to support a wide frequency range (FR) while achieving a high throughput with reduced ...

Terahertz (THz) radiation is essential in many next-generation applications, including high-speed wireless communications, chemical sensing, and advanced material analysis. To harness THz waves, ...

A new system for THz spectroscopy achieves both high spectral and spatial resolution at the same time, bypassing a long-standing tradeoff. (Nanowerk News) Terahertz (THz) radiation, which occupies the ...

I designed the circuit in Figure 1 as a part of a data transmission system that has a carrier frequency of 400 kHz using on-off keying (OOK) modulation. I needed to detect the presence of the carrier ...

At-home access to the best radio-frequency devices is one of the chicest new perks in beauty tech. Beauty aficionados often trace the trend back to CurrentBody’s 2024 RF debut—before then, you’d have ...