A dead satellite can become a high-speed hazard in an orbit that is already packed with working spacecraft. That risk is why ...

This course presents the fundamental principles of structural analysis, determination of reactions, internal forces and deflections under the static load conditions. The course is mainly focused to ...

One rock, as big as a football field, careening through space on an elliptical orbit that lasts four years, suddenly found itself one of the most observed bodies in our solar system, according to NASA ...

This important study combines optogenetic manipulations and wide-field imaging to show that the retrosplenial cortex controls behavioral responses to whisker deflection in a context-dependent manner.

Two-tone mesh jerseys feature embroidered butterfly logos, breathable construction and silk-accented sleeves in bold and classic colorways Washed denim jorts arrive in indigo and black with adjustable ...

Motors and gear trains with micrometer dimensions and powered by light are fabricated using semiconductor lithography and ...

Morningstar Quantitative Ratings for Stocks are generated using an algorithm that compares companies that are not under analyst coverage to peer companies that do receive analyst-driven ratings.

2-Year U.S. Treasury Note Continuous Contract $104.375 0.004 0.00% 5-Year U.S. Treasury Note Continuous Contract $109.195 0.031 0.03% 10-Year U.S. Treasury Note Continuous Contract $112.250 0.047 0.04 ...

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 ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Suzanne is a content marketer, writer, and fact-checker. She holds a Bachelor ...

Abstract: In this article, a dual-beam frequency-scanning antenna based on spoof surface plasmon polariton (SSPP) is designed for continuous scanning in full space. The antenna is composed of a double ...

Abstract: In this article, two kinds of periodic nondiffractive beams along arbitrary trajectories, including nonaccelerating and self-acceleration types, are generated by 3-D-printed all-dielectric ...