In this letter, we propose a design of rectangular waveguide-fed surface-wave frequency-scanning antenna utilizing the principle of wavevector mismatch. First, the transition from a side-fed ...

A phase change in post-perovskite materials at the so-called D” discontinuity is also evidence for long-predicted slow, convective flows in the mantle itself ...

Single-wire power transmission (SWPT) is a power transmission method that uses only one wire to realize long-distance transmission of power. For deep insight, the theory of electromagnetic surface ...

Imagine detecting a single trillionth of a gram of a molecule—like an amino acid—using just electricity and a chip smaller than your fingernail. That’s the power of a new quantum-enabled biosensor ...

NPR's Andrew Limbong speaks with Patricia Fabian, professor of environmental health at Boston University, about the impact that heat waves have on vulnerable populations. It's about to get really ...

Environment Canada issues heat warnings for parts of Ontario, Quebec amid heat wave By: David Friend, The Canadian Press Posted: 1:04 PM CDT Saturday, Jun. 21, 2025 Last Modified: 4:34 PM CDT ...

It's about to get really, really hot. The first significant heat wave of the season is expected to hit much of the U.S. this weekend. We're talking temperatures well above 90 and even hitting 100 ...

Andrew Limbong is a reporter for NPR's Arts Desk, where he does pieces on anything remotely related to arts or culture, from streamers looking for mental health on Twitch to Britney Spears' fight over ...

Andrew Limbong is a reporter for NPR's Arts Desk, where he does pieces on anything remotely related to arts or culture, from streamers looking for mental health on Twitch to Britney Spears' fight over ...