The electric current, in turn, creates its own magnetic field—one that ... which increases the field still further. This self-sustaining loop is known as the geomagnetic dynamo.
It is this magnetic field that has recently got NASA scientists on high alert following the identification of a 'dent' in the ...
It’s thus worth putting in the effort to make a better antenna, and if you’re not fortunate enough to have a lot of space, your best choice may be a magnetic loop. [Robert Hart] takes us ...
NASA has been monitoring a strange anomaly in Earth's magnetic field: a giant region of lower magnetic intensity in the skies ...
The sun is on the verge of a significant event: a magnetic field reversal ... this is known as solar maximum. Current estimates predict solar maximum will occur between late 2024 and early ...
When an electric current flows, the shape of the magnetic field is very similar to the field of a bar magnet. The field inside a solenoid is strong and uniform. The small magnetic field caused by ...
DC SQUID: A DC SQUID consists of two Josephson junctions connected in parallel in a superconducting loop. When an external magnetic field is applied, it induces a current in the loop, which is ...
When an electric current flows, the shape of the magnetic field is very similar to the field of a bar magnet. The field inside a solenoid is strong and uniform. The small magnetic field caused by ...
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NASA Is Watching a Vast, Growing Anomaly in Earth's Magnetic Field"The magnetic field is actually a superposition of fields from many current sources," geophysicist Terry Sabaka from NASA's Goddard Space Flight Centre in Greenbelt, Maryland explained in 2020.
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