IEEE

Streamlined Permittivity Lossy Dielectric Design for Wide-Angle Frequency-Selective Surface Composite Absorbers

Abstract: Design of wide-angle frequency-selective surface (FSS) absorbers is significantly challenging as the impedance in free space varies substantially with the incidence angle. To enhance the ...
Hosted on MSN

Bay Area smash-and-grab thieves getting caught using technology, police collaboration

Brad Hamilton reports how teamwork and technology led to quick arrests in a San Ramon jewelry store smash-and-grab, along with solving similar crimes across the Bay Area. Deadly mass shooting at North ...
C&EN

Sensitive, Low-Cost, Early Detection of Periodontal Disease Using Surface-Enhanced Raman Spectroscopy with Easy-to-Use Silver Nanomesh-Coated Periopaper

Department of Oral Biology, Graduate School of Medical and Dental Sciences, Institute of Science Tokyo, Tokyo 113-8510, Japan Section of Oral-Systemic Health, Oral Science Center, Institute of ...
Philadelphia Inquirer

Uber accuses a Philly-area law firm of using bogus medical reports in dozens of crash cases

Attorneys for Uber noticed a pattern in lawsuits filed against the rideshare giant by one Philadelphia-area personal-injury law firm. Simon & Simon clients who had been in crashes involving ...
IEEE

Direct Angle of Arrival (AOA) Estimation Using a Metasurface Antenna With Single Frequency Phaseless Measurements Obeyed Schwarz Inequality

Abstract: Location estimation has attracted significant interest with the development of wireless communication. The rapid emergence of the fifth generation (5G) and the Internet of Things (IoT) is in ...
Nature

Clearest gravitational-wave detection yet confirms Hawking’s black-hole theory

Discovery joins a list of the greatest hits of the LIGO detector, which ten years ago became the first to detect gravitational waves. The songs of the cosmos, now that we can finally hear them, might ...