The researchers twigged that this phenomenon could be used to measure density and, as they report in the Journal of Agricultural and Food Chemistry, they set aboutthistask by erecting a stack of two off-the-shelf neodymium magnets separated by a vertical vial of paramagnetic fluid.
"Tudor Evans has made it clear that thistask force is about rolling up our sleeves and identifying specific actions which can have a direct impact on job creation, " he said.