Morning Overview on MSN

Experiment hints at new mesic nuclei, probing how matter gains mass

Physicists working at Germany’s GSI Helmholtz Centre have found the first experimental hints that an unusually heavy subatomic particle, the eta-prime meson, can bind to an atomic nucleus. If ...

A roadmap for atomic force microscopy use in next-generation semiconductor and energy materials research

For smartphones and computers to become smaller and faster, technologies capable of precisely controlling electrical ...

Optical control of nuclear spins in molecules points to new paths for quantum technologies

Researchers at the Karlsruhe Institute of Technology (KIT) have reported important progress in quantum physics and materials ...

Today's NYT Connections Hints, Answers and Help for April 5, #1029

Looking for the most recent Connections answers? Click here for today's Connections hints, as well as our daily answers and ...
IEEE

A New Construction Method of Heuristic Multi-Class Hierarchical Tree Structure Model Based on Support Vector Machine and Information Entropy

Abstract: SVMs have limitations in the process of solving multi-class classification problems, often accompanied by many problems such as data set skew, excessive base classifiers, and poor ...
Nature

On the Application of the Quantum Theory to Atomic Structure

ENGLISH readers will welcome this authoritative account by Prof. Bohr of the application of his theory to atomic structure. The essay has been translated from the Zeitschrift fur Physik by L. F.