MAKE Podcast

How-To: The Truth Meter

How-To: The Truth Meter

The Truth Meter, a project featured in MAKE Volume 26, measures small increases in sweat which indicate nervousness and other stimuli. So if you’re sleuthing to find out who left the empty milk carton in the refrigerator and your prime suspect does nothing but deny accusations, watch this video and create your own Truth Meter.

For more information about this project and a PDF of the instructions from MAKE, check out: http://blog.makezine.com/archive/2011/04/the-truth-meter-dont-sweat-it.html

Here’s a kit with the components you need to build your own: http://www.makershed.com/ProductDetails.asp?ProductCode=MSGR01

Continue Reading Matt Richardson
In the Maker Shed: Arduino Nano 3.0

In the Maker Shed: Arduino Nano 3.0

The Arduino Nano 3.0 is a surface mount breadboard compatible version of the ever-popular Arduino micro controller. It’s small, has integrated USB, and is breadboard friendly. It has more or less the same functionality of the Arduino Duemilanove, but in a different package. Physically, it’s missing the power jack, but it can still sense and […]

Continue Reading Maker Shed4
The Truth Meter: Don’t Sweat It

The Truth Meter: Don’t Sweat It

When you feel nervous, excited, surprised, or otherwise aroused, you experience galvanic skin response (GSR). Your sweat glands, in responses to adrenaline and other hormones, start to release micro pulses of sweat. GSR is one component of polygraph tests because it’s an indicator of how nervous a question makes you feel. The increase in sweat […]

Continue Reading Matt Richardson2

NASA Make: Challenge webcast (video)

If you missed yesterday’s webcast about the NASA Make: Challenge, check out the video here. You can also read the chat transcript, full of relevant links. Dale Dougherty chats with experts Kris Kimel, Twyman Clements, and James Kuhl. MAKE is happy to announce that we’re partnering with Teachers in Space and NASA’s Emerging Commercialization Space […]

Continue Reading Becky Stern