Rotational dynamics explained through a 1935 physics textbook. Explore classic diagrams and timeless explanations that break down torque, angular motion, and rotational principles in a clear, ...

THE first edition of this book was reviewed in NATURE of April 27, 1905. At that time what we now call aeroplanes only existed in people's imagination and in reports of successes by the Wright ...

Not everybody agrees that replicating the four-limbed, bipedal shape of a human should be replicated in robot form. For one, walking with two feet is inherently less stable than four, nevermind a set ...

The observed near flatness of galactic rotation curves has long been interpreted as evidence for large amounts of non-baryonic dark matter. Here we show that this phenom ...

A Review of Hydrodynamic Mechanisms, CFD Modeling, and Coastal Engineering Implications Seabed scour caused by propellers is ...

Coronal plane movements go side to side, like abduction and adduction, plus elevation and depression of the shoulder blade. Exercises include jumping jacks, side lunges, and lateral raises. Sagittal ...

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 ...