Nearly two centuries after Faraday's failed attempts, scientists have demonstrated that Earth's continuous spin can directly ...

Reader Jayant Bhalerao, a college physics instructor, found the story useful in class: “We will share it with our students, so that they can appreciate how ...

They follow the magnetic field lines and, therefore ... but they have a higher density and produce an electric current that surrounds the Earth. Electrons move from the twilight zone to the ...

With today’s data rates of only a few hundred megabytes per second, access to digital information remains relatively slow.

How a Generator Works When an electric current flows through a wire, it generates a three-dimensional magnetic force field around the ... align themselves along the lines of magnetic force ...

A magnetic field is invisible ... different positions in the magnetic field, marking the needle direction each time join the points to show the field lines The needle of a plotting compass ...

The Analyzer for Cusp Electrons (ACE) is designed to measure electron activity in the region of the northern magnetospheric ...

If these metals have not been turned into a permanent magnet they will still be attracted to a magnet if placed within a magnetic field ... Magnetic fields lines are invisible but they fill ...

Advanced materials with finely tuned electric and magnetic properties ... and could allow us to achieve magnetic field observations with atomic-level resolution.” ...

At a cost not far above £10 ($13.70), this was an impulse purchase driven by curiosity; these devices claim to measure both magnetic and electric fields, but what do they really measure?