Abstract: Phase-switched screens (PSSs) achieve low detectability for protected targets by intermittently modulating the phase of incident radar waves, altering their scattering characteristics.
Abstract: This paper presents a new kind of space-time-coding (STC)-enabled direction-finding approach for human target localization in smart healthcare environments. The method overcomes the ...
Morning Overview on MSN
Deep radio scan finds no technosignals from 3I/ATLAS
Interstellar visitor 3I/ATLAS has just been subjected to one of the most sensitive alien-technology checks ever mounted on a ...
December 28, 2025 • NPR's Ayesha Rascoe plays the puzzle with Mark Karp of Marlboro Township, N.J., and Weekend Edition Puzzlemaster Will Shortz.
This article mentions suicide. If you or someone you know is struggling or in crisis, help is available. Call or text 988 or chat at 988lifeline.org. The 1978 cold case murder of a California high ...
Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
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