Magnetic invisibility cloak invented
March 23, 2012 |
I love James Bond’s invisible car. Scientists are now bringing science fiction alive – inventing cloaks that hide objects from light, sound and now… magnets.
Researchers have invented an ‘antimagnet’ made of two circular rings. An inner ring repels magnetic fields and an outer ring attracts them, cancelling out the fields completely and leaving anything inside the rings undetectable.
This device could allow people with pacemakers to have MRI scans or hide a submarine’s magnetic signal. On the downside it could trick metal detectors and security portals.
This research was published in the journal Science on 23 March 2012.
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