Luca Turin: The science of scent

Download this talk * * * * * Video to desktop (Zipped MP4) * Video to iTunes (MP4) * Share this talk * Email to a friend » * Post to Digg or del.icio.us * Embed this video * Link to this talk Discuss this talk: The science of scent ( Luca Turin ) Sign in to add comments or Join (It’s free and fast!) Jeffrey Soreff November 8 2008 The explanation of the mechanism of smell seems somewhat implausible, but, yes, there are a variety of ways one could make a nanoscale IR spectrometer. Another option would be to look for resonant energy transfer, not between a tunnelling electron, but between a vibrational excitation in another molecule and the test molecule. One skeptical note: I’ve handled heavy water, and never noticed an odor. If this theory is right, it should smell very different from the odorless background of normal water. One application note: If the theory is right, there should be a huge range of deuterated compounds with distinct smells… and there would be a wide choice of very safe ones. Tom Kraemer November 7 2008 What a wonderful explanation of scent and our sense of smell. Thank you for a profound insight. You’ve changed my understanding of my formerly least appreciated sense! Rylan Grayston November 7 2008 I think some homeopathic practitioners are running into a very similar situation as you. In that they get results that they cannot fully explain the workings of. In the past I often found myself scoffing at the explanations I have heard. The use of words

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