Category Archives: Magnets & Technology

Health and Safety at FIRST4MAGNETS!

World Health and safety Day


Today is World Health and Safety Day so we’re giving you a sneak peek into how the employees at First4Magnets.com stay safe each and every day!

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Mother’s Day Gift Guide!

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FIRST4MAGNETS – the perfect gifts for Mum this Mother’s Day!

Over the years our mums have cared for us in every sense. From cooking our dinner to babysitting the little one and even offering a shoulder to lean on when times get hard. Since day one they have loved us like no one else and this Mothering Sunday gives you the perfect chance to say thank you. Continue reading

Google Cardboard

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Google, the name synonymous with cutting-edge technology, introduces a new exciting platform, Google Cardboard. No, the Internet gurus at the Googolplex have not decided to diversify into origami, in fact they have developed a device that can be made out of cardboard (and a couple of magnets) that makes virtual reality affordable and accessible for anyone with a smartphone. In this article, we take a look at what all the fuss is about.

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What is a reed switch, and which magnets operate them?

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A reed switch is an electromagnetic switch used to control the flow of electricity in a circuit. They are made from two or more ferrous reeds encased within a small glass tube-like envelope, which become magnetised and move together or separate when a magnetic field is moved towards the switch. The switch effectively works like a gate, or a bridge, in an electric circuit so when the two reeds are in contact, electricity can flow around the circuit operating a device. Unlike mechanical switches they do not require something or someone to physically flick them on or off, they are controlled completely by invisible magnetic fields! Continue reading

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

hard disk drive

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.

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