Category Archives: Technology

Make Your Coins Levitate On Star Wars Day!

Star wars Day May the 4th

May the 4th be with you this Star Wars Day! 

For those who don’t know, Star Wars Day, formally known as May 4th, is a day where enthusiasts come together to celebrate the franchise! For instance in Sydney, one local burger bar has launched the Star Wars burger and here in the UK, entertainment stores are slashing prices on retro Star Wars games!

Here at FIRST4MAGNETS.COM, we are no different and we’re celebrating Star Wars Day with magnets! Our experts have been working with Darth Vader himself to levitate coins and today we’re giving you the chance to do the same with our step by step guide! In 4 easy steps you could have an amazing magnetic trick to show your friends and family.

May the magnetic force be with you! 

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Google Cardboard

cardboard and phone_featured

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?

Reed_switch_featured

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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Will a magnet damage my smartphone?

A broken smartphone with a smashed screen.

Since the days of the first personal computer it has been part of ‘geeklore’ (like folklore but more interesting) that magnets are bad for all things electronic. But come on I hear you say, we’ve moved on from the days of the faithful floppy disk and the cumbersome CRT monitor, surely this can’t be the case? Magnets can’t seriously damage my iPhone, can they?

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