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Discover counterfeit whiskey – Axios

Physicists have figured out a way to determine the authenticity of rare whiskey without opening the bottle with laser light.

Why it matters: Demand for rare Scotch whiskey has increased in recent years, but there are also reports of counterfeits. The new technology can help determine if your four-digit single malt is actually root gut – before you buy.

What happens: In a recent journal, researchers at the University of St. Andrews in Scotland (apparently) a method of using spectroscopy on a whiskey bottle, as Jennifer Ouellette reported in Ars Technica.

  • Researchers can shine a laser light into the whiskey bottle, which refracts the light into a spectrum of wavelengths that correspond to different chemical compounds.
  • These chemical compounds can be used to determine the origin of whiskey.
  • Because a glass vial can produce a large spectral signal itself, which interferes with the results, the researchers shaped the laser light into a ring, which reduced the noise from the vial.

Note: The Scotch Whiskey Research Institute in Edinburgh (apparently) is experimenting with portable spectrometers that workers can use to authenticate rare whiskeys.

Background: A study from 201

8 found that a third of the Scotch whiskeys tested in a laboratory were completely fake or not from the year their labels stated.

Points: And that’s why I drink bourbon.

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