Explore how forces and friction work to hold a block against a vertical wall. This video explains normal force, frictional force, and equilibrium conditions, showing how these forces balance to ...

Equilibrium problems and variational inequalities form a crucial mathematical framework for modelling systems where multiple agents or factors interact under specific constraints. An equilibrium ...

THIS tract is an authoritative exposition of problems of radiative equilibrium by one of the original workers in the subject. An initial chapter gives a summary of the general theory and main problem ...

The doctor shortage in Hawaii is bad, and it’s getting worse. The state was short 833 doctors last year — a spike upward from 768 in 2024 — as the need grew and supply shrank. There were 3,044 ...

Aristotle’s early insights into action and reaction anticipated complexities beyond Newton’s third law, revealing timeless wisdom.

Learn about market failure in economics, where supply and demand imbalances lead to inefficient distribution, its types, and ...

Cheng, R. , Liu, J. , Hao, L. and Wu, D. (2026) On the Application of the Infinitesimal Method to Two Categories of Problems in College Physics. Open Journal of Social Sciences, 14, 378-389. doi: ...

To unpack what SpaceX’s IPO chatter means, how private liquidity works before a debut, and what investors are looking for in ...

In this video, we model a catenary curve using a mass-spring system, showing how a chain-like shape can emerge from discrete masses connected by springs. We connect the simulation to real physics, ...

The White House has promoted an account by a Venezuelan guard of how Maduro's security team was disabled by a mystery weapon ...

With global tensions rising and “reckless actions” triggering dangerous consequences, UN Secretary-General António Guterres ...

Bitcoin faces potential settlement crisis as paper claims exceed real supply by 30%, creating conditions for explosive price action.