at 4:27 - when the engineer was doing the BM - he had the sensitivity at one, that needle was like a stone. No wonder he came to such a wackie conclusion.
Mimsey
at 4:27 - when the engineer was doing the BM - he had the sensitivity at one, that needle was like a stone. No wonder he came to such a wackie conclusion.
Mimsey
FWIW, there was an article on the polygraph:
From Tuesday's paper: Why are police forces trialling polygraph machines when many experts argue that they simply don’t work?
Polygraphs, the lie detector machines beloved of Fifties comic books and Jeremy Kyle shows, have a chequered history. American law‑enforcement agencies continue to use them, despite what critics claim is a lack of evidence that they actually work. Now our [British] Government has announced plans to use them to help determine whether or not paedophiles and rapists should go back to jail.
<snip>
Full article here:
http://blogs.telegraph.co.uk/news/tomchiversscience/100173508/the-awkward-truth-about-lie-detectors/