GMA Network

Chinese fossils reveal a primordial burst of animal evolution

WASHINGTON - A remarkable assemblage of fossils from China is revealing that animal life diversified in Earth's primordial ...
IEEE

Mechanical/Electrical Hybrid Two-Dimensional Beam Scanning Cylindrical Dielectric Lens Antenna Fed by a Phased Array Primary Radiator

Abstract: A hybrid two-dimensional (2D) beam-scanning lens antenna through the combination of a mechanical lens slide and a phased array primary radiator is proposed. The proposed antenna allowed for ...
IEEE

Constructions of Two-Dimensional Golay-ZCZ Array Sets Based on Generalized Boolean Functions

Golay sequences with the zero correlation zone (ZCZ), known as Golay-ZCZ sequences, play a pivotal role in reducing intersymbol interference (ISI) during the process of channel estimation in one ...
Wired

Drip Coffee Was My First Taste of Adulthood. The Ratio Four Brewer Offers It Pure

I test a lot of coffee machines. Like, a lot of them. The Ratio Four is the small-batch brewer I use to try new kinds of coffee. Coffee is the original office biohack and the nation’s most popular ...