Magnets and medicine

Magnets and medical research have a long and interconnected history. Life-saving diagnosis is made possible by MRI scanners that rely on the power of magnets, magnetic technology has a vital role in some of the most pioneering medical research and many believe in the opinion-splitting therapeutic benefits of magnets. This post will look at all three areas.


All about the Earth’s magnetic field

The Earth behaves like one large magnet; we know this for certain because of the visible effects on a magnetic compass by the Earth’s magnetic field. In 1600 William Gilbert was the first physician to publish his findings on the Earth’s magnetic field and a hypothesis for its origin in his book titled de Magnete.


Animal magnetism – Nature’s own satellite navigation system

The Earth produces its own magnetic field, which emanates from its magnetic inner iron core. On the Earth’s surface the magnetic field is extremely weak compared to the permanent magnets used in many every day appliances. At the magnetic poles the Earth’s magnetic field is approximately 0.7 Gauss compared to the Gauss value of a relatively small 10mm diameter x 5mm thick N42 neodymium magnet which can reach 5100 Gauss. It is this magnetic field that makes a compass point north but for many species, the Earth’s magnetic field has... Read More


Heat-assisted magnetic recording – A new approach for data storage

Ordinarily, heat and electronics aren’t the best of companions; even less unsuited partners are heat and some magnetic materials! However, a new technology being developed by Seagate for the next generation of storage devices, known as ‘heat-assisted magnetic recording’ is breaking the convention. The technology is heralded as revolutionary and could significantly increase the amount of data that can be stored on a hard drive by increasing storage density.


Nobel recognition for Higgs Boson Professors

Yesterday, Tuesday 8 October 2013. English Professor Peter Higgs and his Belgian colleague François Englert were awarded the Nobel Prize for their work that proposed the mechanism that explains how the most basic building blocks of the universe have mass. The Higgs Boson theory.