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A device that uses a form of magnetic levitation to separate components of illegal drugs could prove useful in the fight against crime.
Street drugs are often a mixture of substances, and the police need to be able to identify exactly what they are in order to enforce the law.
The new approach, created by Christoffer Abrahamsson at Harvard University and his colleagues along with the US Drug Enforcement Administration, involves mixing a drug sample in a magnetic liquid and placing this mixture in a container …
source: newscientist.com