Please turn on javascript in your browser to play chess.
Science Forum

Science Forum

  1. Standard member sonhouse
    Fast and Curious
    11 Aug '11 06:24 / 1 edit
    http://www.gizmag.com/pocket-sized-date-rape-drug-detector/19479/?utm_source=Gizmag+Subscribers&utm_campaign=5d68c38dae-UA-2235360-4&utm_medium=email

    This would let women know if they are about to drink a spiked drink. Optical property detected, probably refractive index but it doesn't say. Could also be polarization too. Or both.