At the heart of those devices sits the most
powerful magnet available today — a mix of neodymium, iron and boron, which can produce an energy product of as much as 60 megagauss — oersteds (a unit of magnetic strength).
Not exact matches
At the same time, Hadjipanayis is researching whether more widely
available rare earths could serve as substitutes or whether
powerful magnets could be made that don't employ any rare earth elements, such as iron cobalt alloys.
Once the superconducting
magnets are
available, MIT and CFS say they will design and build a «compact and
powerful» 100 MW fusion experiment called SPARC.
The findings, recounted in a study now
available online in Neurobiology of Aging, suggest that high - field magnetic resonance imaging, in particular an advanced version called 7T MRI that uses a
powerful 7 - Tesla
magnet, could someday be used to diagnose and monitor Alzheimer's patients earlier than is currently possible.