In this video, we derive the catenary curve using physics and calculus, explaining how a hanging cable reaches equilibrium under gravity. Step-by-step reasoning connects forces, differential equations ...
In this video, we explain vectors and derivatives as essential math methods used in physics, showing how they describe motion, direction, and change. Clear explanations and examples help connect ...
Graphene has long been hailed as a "wonder material." It is incredibly strong, highly conductive and almost impossibly ...
The way the brain develops can shape us throughout our lives, so neuroscientists are intensely curious about how it happens.
BY THE PRESIDENT OF THE UNITED STATES OF AMERICA A PROCLAMATION 1.  On October 24, 2025, the Secretary of Commerce (Secretary) transmitted to me a report Every child deserves a safe and nurturing home ...