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, ...

A research team from the Institute of Physics, Chinese Academy of Sciences has developed a novel DNA origami-based technique to synthesize stable ...

This video demonstrates how to use Lagrange multipliers to find the tension in a falling yo-yo. By applying constraints and generalized coordinates, you’ll see how this powerful method reveals both ...

Engineers reinvent the 5,000-year-old gear using fluids instead of solid teeth.

The movement of waves, patterns that carry sound, light or heat, through materials has been widely studied by physicists, as ...

In order to understand currents, tides and other ocean dynamics, scientists need to accurately capture sea surface height, or ...

As one of the oldest components of human engineering, gears have driven civilization for ...

An international group of researchers has found that chiral phonons can create orbital current without needing magnetic elements – in part because chiral phonons have their own magnetic moments.

Scientists have pulled back the curtain on one of the most extreme solar regions seen in decades, tracking it almost nonstop ...

Scientists have turned the universe's deadliest force into a spectacle. A black hole is finally caught in motion.

2026 is highlighted as the year of the singularity with Elon Musk warning of underestimated impacts; conversations with him ...

The Hubble Space Telescope has captured startling structures on interstellar comet 3I/ATLAS, narrow, sun-facing dust streams ...