Ученые доказывают несуществование морали (на личном примере)

[birdwatcher]

Kwan-Ming Ng, a chemist at the University of Hong Kong, had the idea of coupling a Van de Graaff generator, a powerful but safe way to electrostatically charge the skin’s surface, with a mass spectrometer. Ng and his co-workers tested the new method, which they call Megavolt Electrostatic Ionization Mass Spectrometry, on a volunteer, who handled different substances such as explosives, flammable solvents, cocaine, and acetaminophen.
Почему выбрал именно такие вещества?