This persnickety number determines the strength of magnetic fields. It figures in everything from motors and generators to audio speakers. Oh, and without it we’d live in eternal darkness.

Long before galaxies sparkled in the sky or stars took shape, invisible forces stirred in the early Universe. One of those ...

Move Over, Treasuries. These Are the New Safe Assets.

The cosmic web, which permeates through the known universe, may contain traces of the first magnetic fields created after the Big Bang. Using computer simulations, researchers now believe they can ...

Magnetic field data collected by ESA's Swarm satellites and other sources has been coverted into these frightening sounds.

A cadence sensor is a compact cycling device that measures pedaling rate in RPMs to provide real-time feedback.

Physical Formulas: The Keys to Unlocking the Mysteries of the Universe ...

Spintronics is an emerging field that leverages the spin, or the intrinsic angular momentum, of electrons. By harnessing this ...

Ships and other marine vessels measure their speed in knots instead of miles per hour, and the practice goes back to the ...

Prepare for your ISC Class 12 Physics half-yearly exams with 2025 sample paper. Practice with a realistic test simulation, identify weak areas, and master time management. Download the PDF with a ...