Spin-1/2 chains with alternating antiferromagnetic (AF) and ferromagnetic (FM) couplings exhibit quantum entanglement like the integer-spin Haldane chains and might be similarly utilized for quantum ...

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As US teachers discover more and more legacy chemicals in schools, funding for cleanup is hard to find. Educators, nonprofits ...

Abstract: The class-E converter with soft-switching has been widely used in high-frequency wireless power transfer (WPT) system. However, the high voltage stress on the switch limits its application.

Bitcoin’s 31% drop ($126K to $87K) matches mid-cycle corrections: Falls within 25-40% range typical of bull market resets. Historical recovery timelines suggest 3-6 month consolidation. The current ...

A new method to capture carbon dioxide from the air has been developed at the University of Helsinki's chemistry department. The ease of releasing CO 2 is the key advantage of the new compound. In ...

A Palestinian woman in Gaza has died as a winter storm threatens the lives of nearly 900,000 Palestinians living in tents across the devastated coastal enclave. The 30-year-old, identified as Alaa ...

UBC Okanagan researchers have uncovered how plants create mitraphylline, a rare natural compound linked to anti-cancer effects. By identifying two key enzymes that shape and twist molecules into their ...

The Knoevenagel and Biginelli reactions are very important protocols for organic chemistry. The Knoevenagel condensation is a type of aldol reaction widely used in the construction of new C–C bonds.

Broadly speaking, most strength training exercises can be divided into two groups: isolation and compound. Isolation exercises involve a single joint, such as leg extensions, calf raises, and triceps ...