World's most sensitive table-top experiment sets new limits on very high-frequency gravitational waves

The world's most sensitive table-top interferometric system—a miniature version of miles-long gravitational-wave detectors ...

All The Best Final Deals To Shop Before Prime Day Ends

Ugg may be famed for its cozy sherpa-lined boots, but the brand also makes this plush, faux fur throw, and it's over 40% off ...
IEEE

Application of Dual-Mode Ruby Dielectric Resonator for Characterization of Copper Foils in High-Frequency Circuits

Abstract: Achieving high electrical performance in mmWave PCBs often compromises copper foil reliability. This study introduces a novel measurement approach using Ruby Dielectric Resonators (RuDR) ...
American Institute of Physics

Identification codes in Southern Hemisphere fin whale songs

The songs of fin whales in the Atlantic Ocean include two region-specific high-frequency components that are distinct and ...
IFLScience

432 Hz Or 440 Hz? The Conspiracy Theory That All The World's Instruments Are Tuned Wrong

"To take Germany prior to 1600 as an example, organ pitch there is thought to have varied from a high of A=567 Hz for the first simple pipe organs of the Middle Ages to a low of A=377 Hz for the early ...

I Ranked the Audio Quality of Eight Pairs of Smart Glasses, and It Was Surprisingly Difficult

I compared audio quality across several models of smart glasses from XReal One Pro to budget WearIQ glasses, to find out which sound best.
IEEE

Wide-Stopband Diplexer With Small Frequency Ratio Based on SIW Dual-Mode Resonators for Millimeter-Wave Applications

Abstract: A substrate-integrated waveguide (SIW) diplexer has been designed based on the dual-mode resonator operating with TE301 and TE103 modes in this letter. Techniques of harmonic interleaving, ...