Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

Let’s be honest - this quiz is very basic. We’re talking simple additions and subtractions, easy fractions, percentages, ...

Cassidy has asked 35 institutions about incoming students' math abilities, citing a "crisis" in K-12 math education.

Test your logical thinking with this classic matchstick puzzle designed to challenge speed, focus, and reasoning. The puzzle ...

Learn how to solve the Millikan oil drop problem step by step and understand how it reveals the elementary charge. This video breaks down the forces, equations, and reasoning clearly for students ...

Learn how to find the maximum height of a model rocket using kinematics and basic physics. This video explains the key equations and steps to solve for peak altitude from launch conditions and motion ...

Rubrik, Inc. ( RBRK) Data Recovery Summit January 21, 2026 1:00 PM EST ...

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: ...

Born from EV technology, this electronic brake booster is quietly transforming how vintage performance cars stop—and why vacuum is no longer part of the equation.

Nearly 200 years ago, the physicists Claude-Louis Navier and George Gabriel Stokes put the finishing touches on a set of equations that describe how fluids swirl. And for nearly 200 years, the ...

Life gets busy, and sometimes those basic math skills from school days get a little rusty. Whether you're budgeting, measuring for a DIY project, or just having a math-related brain teaser thrown your ...