September 2019
Beginner
280 pages
5h 48m
English

In this chapter, the Mad Scientist turns their attention to the source of their genius—the mind! First, you’ll learn about your nervous system by testing how long it takes to react to stimuli. You’ll then build a lie detector that measures galvanic skin resistance, one of the factors used in polygraph tests. Use it on your friends. If they get warm and sweaty when you question them, they might be lying to you!

Difficulty: Medium
People process stimuli with nerve cells, or neurons. ...
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