These sensors operate at very low currents and are the most sensitive to magnetic fields, which makes them common in the read heads of hard-disk drives (Fig. 9), low-power switching applications ...

The James Webb Space Telescope has shown that the Milky Way’s black hole is constantly blazing with light, releasing long flares as well as short flashes every day.

A changing magnetic field induces a current in a conducting wire. Yes, that's cool - but it's also important. This physics principle behind many of the electric generators (but not all).

Data is arranged on the surface of the magnetic disk in 'concentric' tracks, much like the ring-like grooves on a vinyl record. When inserted into a computer's floppy disk drive, ...

Skyrmions—vortex-like spin textures—are conventionally only seen in materials that exhibit the right magnetic properties. Li et al.now create so-called artificial skyrmions using a cobalt disk ...

Swirling magnetic field lines surround Sagittarius A*, the Milky Way's supermassive black hole, as seen in polarized light in this new image from the Event Horizon Telescope (EHT) collaboration.

James Webb Space Telescope Extreme magnetic fields near our galaxy's black hole are preventing stars from being born, JWST discovers Astronomy How do baby planets grow? Study of 30 stellar ...

The experiment was conducted by tuition service Explore Learning at one of its learning centres in London. Its experts presented 10-year-olds with four devices – a floppy disk, a cassette, an ...

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The group’s calculations showed that magnetic fields can be generated about 20,000 miles (32,100 kilometers) below the sun’s surface — far closer to the surface than had previously been assumed.

Crucially, the use of non-magnetic materials throughout the system means the microscope is ideally suited for low-temperature MFM applications (down to 1.8 K) in combination with high magnetic fields ...