Abstract: A modeling of metasurfaces in the finite-element method (FEM) based on generalized sheet transition conditions (GSTCs) is presented. The discontinuities in electromagnetic fields across a ...

Bitcoin’s long-term CAGR of 42.5% outpaces the Nasdaq and gold, but is projected to drop to 30% by 2030. The power-law and quantile models keep BTC’s Q4 2025 target between $150,000–$200,000, with ...

In quality control and chemistry, analytical samples are usually mixtures. Understanding the main compound’s assay and the number of impurities or other unwanted substances in the sample is essential ...

A team of researchers has developed a novel method for using cholesteric liquid crystals in optical microcavities. The platform created by the researchers enables the formation and dynamic tuning of ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. You are free to share(copy and redistribute) this ...

Chemistry: Elements, Compounds, and Mixtures (2nd Edition) (1983) is a 20-minute educational film from the *Chemistry Series* by Coronet Instructional Films, distributed by Simon and Schuster.

ENFORCING ENGLISH PROFICIENCY FOR SAFETY: Today, President Donald J. Trump signed an Executive Order to keep American families safe on the road by ensuring anyone behind the wheel of a commercial ...

Background: Heavy metals are cardiovascular disease risk factors, while essential elements possess antioxidant and anti-inflammatory properties and are crucial for health at trace levels. Metals may ...

BOLSTERING AMERICA’S CRITICAL MINERALS FUTURE: Today, President Donald J. Trump signed an Executive Order launching an investigation into the national security risks posed by U.S. reliance on imported ...

The film discusses the classification of matter into homogeneous and heterogeneous types, focusing on elements, compounds, and mixtures. It explains the properties of two elements, iron and sulfur, ...