TDK has demonstrated a fast optical sensor based on a magnetic tunnelling junction - a spin photo detector. he device is ...

A magnetic field is invisible, but it can be detected using a magnetic compass. A compass contains a small bar magnet on a pivot so that it can rotate. The compass needle points in the direction ...

Dark matter is a hypothetical substance that outweighs regular matter – which makes stars, planets, and everything we can see ...

The average Hackaday reader likely knows, at least in the academic sense, what a magnetic field looks like. But as the gelatinous orbs in our skull can perceive only a tiny fraction of the EM ...

Besides, view the entire catalog of Texecom Impaq Plus with Magnetic Contact Intruder detectors Texecom Impaq Plus with Magnetic Contact Intruder detectors with specifications of other products from ...

Geophysicist Daniel Lathrop wants, among other things, to use it to predict when the Earth’s magnetic field will next reverse. Over the course of our planet’s history, the field has flipped ...

The magnetized rocks of Earth's crust and mantle, also known as the upper lithosphere, accounts for generating 6 percent of the planets magnetic field. Data from the European Space Agency's Swarm ...

How a tokamak works: The electric field induced by a transformer drives a current (big red arrows) through the plasma column. This generates a poloidal magnetic field that bends the plasma current ...