GSR App on Play

I wrote a very simple App to use my GSR sensor and published it on Google Play.  Here is the link to it.

GSR App on the Google Play Store

GSR App on the Google Play Store

More about GSR and the hardware you will need to use it can be found on the GSR page.

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Rochelle Salt

Find out much more about Rochelle Salt on my page dedicated to it by clicking the link in the bar above.

Here is a typical drugstore label for Rochelle Salt.  This was used as a laxative.

Continue reading

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Crystal Radio

The best book on the subject is The Voice of the Crystal
.

My plans for building a slide rule crystal radio.

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Slide Rule

Here are the plans for the Three-Cent Slide Rule from Science Experimenter 1966 page 157.

Three Cent Slide Rule Plans

And here are my plans for a simple paper slide rule you can cutout and use.

Simple Paper Slide Rule

Or here are my Instructables plans.

is my favorite slide rule book.

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Abacus

The original calculator.

The Abacus: The World’s First Computing System

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Candle

A simple way to make light and heat.

Exploring Candle Magick (Candles, Spells, Charms, Rituals and Devinations)

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