Cornell University students [Joyce Cao] and [Daria Efimov] decided to try their hand at a more old fashioned polygraph that measures heart and breathing rates and charts the resulting traces on a ...

where the investigator gives and collects many polygraph charts throughout the chart collection phase. The series of ...

In this particular case, it’s a DIY USB polygraph-like machine by [Juangg] using an Arduino and sensors on the hardware side, and a Python front end for data visualization. It’s even complete ...

But how accurate are these tests? And how do they work? Let's start with the basics... In short, polygraph tests record a number of different bodily responses which can then be used to determine ...