the lie detector was invented on augst 7 1885
yes, a lie detector is a polygraph test. When you take the polygraph test, they use a lie detector to see if you are lying or not.
You can find a step by step guide on how to make lie detector on instructables.com/id/Make-a-portable-handy-lie-detector-in-Altoid-tin/
Lie detector machines are not given out randomly and you need the permission of the person you want to do the lie detector test on which you are not likely to get. Lie detector tests are not 100% accurate and cannot always be used in a court of law.
here's a list Traffic Light BAND-AID hair dryer Automobile lie detector Que-tip
yes the spy-net watch has a lie detector it is cool
Because a lie detector test isn't always 100% accurate. Humans aren't computers, and while the way humans lie may be similar, they aren't exactly the same. It is because of this room for error that it is not officially sanctioned.
yes people can it actually detects how nervous u are not really a lie detector
AHH a lie detector ANSWER by Engl1sh: A perfessional typically uses the term 'polygraph' test.
A lie detector test
A lie detector test follows you pulse, if you are asked a question and your heart rate rises or falls then it will be a lie. If you can regulate your pulse you cannot be detected on a lie detector
John Filis Watkins he invented thee lie detector and he stuck it up his butt
The cast of Lie Detector - 2005 includes: Rolonda Watts as Host
There is not cheap way to do a reliable lie detector test. This kind of test is only given by professionals.
The Polygraph lie detector can be cheated, i am not going to list ways in how, but it can. But in doings so is very risky