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 ...
There it is, right next to its life partner — pepper — on your dinner table: a tall, elegant shaker of salt, topped with a shiny steel head, glass flowing downward into a beautifully ridged bottom.
Abstract: We present a compact L-band orthomode transducer (OMT) with a new waveguide junction consisting of a quad-ridged square waveguide and four single-ridged triangular waveguides. Quad-ridged ...
Abstract: Open-ended ridged waveguide phased array antennas (PAAs) are promising candidates for future low Earth orbit satellite communications. This paper analyzes the scan limitations regarding the ...
Environmental advocates are threatening to sue the U.S. Fish and Wildlife Service over delays in deciding whether the western ridged mussel should receive protection under the Endangered Species Act.
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