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GRAY MATTER A Tall Glass of Juice
by Mike Walker LIQUID LIGHTING: A chain of five homemade gravity-cell batteries powers a string of LEDs. Mike Walker Build a BatteryCost: $20Time: 3 HoursSafe | | | | |CrazyPour copper sulfate (the...
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Spark of Destruction
by Mike Walker A scaled-up re-creation of the tips of a modern platinum spark plug, using 1/10-ounce platinum coins for electrodes Mike Walker Make Your Own SparksCost: $270Time: 20 MinutesSafe | | |...
View ArticleGRAY MATTER A Tall Glass of Juice
Build a Battery ****Cost: $20 Time: 3 Hours Safe | | | | | Crazy Pour copper sulfate (the blue granules) over a copper electrode in a glass. Fill it with distilled water.
View ArticleSpark of Destruction
Make Your Own Sparks ****Cost: $270 Time: 20 Minutes Safe | | | | | Crazy…
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