Cops Can Now Tell Hemp Apart From Marijuana with Frickin’ Lasers

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Summary

While chemists were busy developing complicated tests for distinguishing marijuana from hemp, engineers one-upped them by making a device that can do the same thing instantly with light.

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Police will soon be able to test if they found marijuana or hemp as quickly as someone can scan a grocery item’s barcode.

Researchers at Texas A&M University recently announced that they developed a “hemp scanner,” a handheld device that can easily be transported around any police cruiser. The device is described in the January issue of the Royal Society of Chemistry Advances.

Why do cops need a laser gun to distinguish marijuana from hemp? In late 2018, the US government passed...

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