About magnetic labels
About magnetic labels
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(A magnetic dipole could be considered a tiny bar magnet. It's got the exact same magnetic field as such a magnet and behaves a similar way in external magnetic fields.) When positioned within an exterior magnetic industry, a magnetic dipole might be subjected to some torque that tends to align it with the sphere; If your exterior field is not uniform, the dipole can also be subjected to your drive.
Alexander Neckam, by 1187, was the very first in Europe to explain the compass and its use for navigation. In 1269, Peter Peregrinus de Maricourt wrote the Epistola de magnete, the primary extant treatise describing the Attributes of magnets.
However, They may be susceptible to corrosion and might eliminate their magnetic Houses at elevated temperatures.b.
Despite their exceptional toughness, neodymium magnets are brittle and vulnerable to corrosion. To handle these problems, they will often be coated with materials like nickel or epoxy, which shield the magnet from deterioration and chipping.
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The British rock band 10cc produced a human harmonium of sorts over a sixteen-observe tape recorder by overdubbing their own personal voices several dozens of situations, singing only only one Notice every time. The cumulative end result was a total of 630 voices distribute evenly about an octave-and-a-fifty percent of right musical scale notes, with each of your distinctive notes assigned to an individual observe from the tape.
When played back, any keep track of (or note) can be faded out and in manually over a mixing console arranged like a piano keyboard, to simulate an huge virtual choir. This effect presented the atmospheric backing instrumentation for their song "I am Not in Love".[eighteen]
Even though flash drives have replaced magnetic tapes in the majority of multimedia apps, magnetic tapes supply a tough and low-cost backup choice. Even currently, magnetic tapes are being constantly enhanced because of the usefulness of storing A huge number of gigabytes of knowledge in a little corner for many years, without any considerable reduction in top quality.
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“We have been delighted Together with the Automag set up; it’s solved all the issues we were acquiring Formerly with magnetic roll downtime and maintenance prices. The filter means that we are able to use recycled water, that is saving us £a thousand a week!”
The earliest devices manufactured distortion in the course of the recording system which German engineers noticeably lessened in the course of the Nazi Germany era by making use of a DC bias signal towards the tape. In 1939, a person equipment was located to produce consistently much better recordings than other ostensibly equivalent designs, and when it was taken apart, a insignificant flaw was noticed. Instead of DC, it was introducing an AC bias signal to the tape,[citation needed] and this was speedily tailored to new models using a higher-frequency AC bias which has remained a Section of audio tape recording to at the present time.
A magnetic subject is made up of Strength, and Actual physical devices transfer toward configurations with decrease Vitality. When diamagnetic product is put in the magnetic field, a magnetic dipole tends to align alone in opposed polarity to that industry, therefore lowering The online subject strength.
Neodymium magnets are known for their Fantastic magnetic toughness, and that is considerably increased than that of other kinds of magnets, which include ferrite or alnico magnets.
Lots of aspects can impact the magnetic subject of an item including the magnetic minute of the fabric, the Actual physical condition of the article, each the magnitude and path of any electric powered present-day present inside the thing, along with the temperature of the thing.