A.I.’s First Big Math Breakthrough Is Not What It Seems

Last month, OpenAI announced that its latest version of ChatGPT had solved a major math problem, one that had stumped experts ...
Scientific American

Why some irrational numbers are more irrational than others

The quest to approximate irrational numbers with fractions reveals hidden patterns, surprising hierarchies and enduring mathematical mysteries ...
IEEE

High-Temperature Partial Discharge Characteristics of Power Module Packaging Insulation Under Square Pulse With High Dv/Dt Based on Down-Mixing Method

Abstract: Partial discharge (PD) in the high voltage packaging insulation under square pulse with a high slew rate (SR or dV/dt) is one of the main causes of the power module failure, especially for ...
IEEE

A Mixed-Frequency and Hybrid-Module Based Single-Stage Solid-State Transformer With Quasi-Square Wave Modulation

Abstract: Solid-state transformer (SST) has been extensively researched for decades, but their high cost and complex structure, due to numerous switches and passive components, limit practical ...
Mental Floss

Where Does the Name D-Day Come From?

In the early hours of June 6, 1944, troops from Canada, Great Britain, and the United States stormed the beaches of German-occupied Normandy, France. This invasion was a major turning point in World ...