We all carry a portable lie detector at all times and it's called ears. According to this Ted Lesson we can tell if someone is lying just by analyzing his language. This technique called "Linguistic Text Analysis" is based on the difference between how we structure sentences in invented and true stories.
It seems that The Eagles were on to something when they sang that "there ain't no way to hide your lyin' eyes," because researchers are working on eye-tracking technology which will detect dishonesty better than a traditional polygraph test.
Lie and your brain will send more blood to the ventrolateral area of your prefrontal cortex. fMRI scans can tell when this happens by measuring blood-oxygen levels in the brain. Soon such brain-scanning lie detectors may be used in courts.
No good can come of this, but if you're in need to a quick and unreliable way to test your spouse's fidelity, then the $8 Agile Lie Detector for the iPhone might work.
KishKish, makers of SAM (Simple Answering Machine) for Skype, have now added a lie detector feature to the mix, claiming to detect stress in the voice of your Skype caller, alerting you to any bending of the truth.
Hide this Shocking Lie Detector from your wife, or the next time she asks you where you were until 2am, that "I was working late Honey" is going to cost you all the feeling in your fingers.
This simple Galvanic Skin Response (or lie detector, in layman's terms) is made out of Lego motor wire and aluminum foil. It determines the electrical resistance of your fingers by measuring how relaxed and dry your fingers are.
There are two ways to describe the DeFIBulator: a portable lie detector, if you're feeling sensational, or a portable tension detector, if you're feeling honest. Developed in Singapore, it purports to measure varying degrees of vibration in someone's voice to 65% accuracy. In case that number still doesn't convince…
Leave it to the Israelis to come up with a new way to check for terrorists. In addition to dropping your lighters in baskets and being scanned for knives, next time you fly you may be subjected to a walk-through airport lie detector test from the GK-1 voice analyzer. Already tested in Russia, you'll be given a…