http://motherboard.vice.com/read/how-to-steal-an-encryption-key-by-simply-touching-a-laptop
http://www.cs.tau.ac.il/~tromer/acoustic/
http://crypto.stanford.edu/~dabo/pubs/abstracts/gyromic.html
http://www.laboratoryequipment.com/news/2014/08/algorithm-recovers-speech-potato-chip-bag-soundproof-glass?et_cid=4081376&et_rid=656365363&location=top
