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Water Powered Calculator

Water Powered Calculator. By: Kevin, Brenton , and Anna. Materials You Need. A calculator Carbon Rod/Copper Rod Aluminum Foil Small Cylindrical Container Two 3 Inch Wire Multi Purpose Pliers Glue Gun. Drill a hole on the bottom side of the small cylinder Glue a carbon rod in place

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Water Powered Calculator

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  1. Water Powered Calculator By: Kevin, Brenton, and Anna

  2. Materials You Need • A calculator • Carbon Rod/Copper Rod • Aluminum Foil • Small Cylindrical Container • Two 3 Inch Wire • Multi Purpose Pliers • Glue Gun

  3. Drill a hole on the bottom side of the small cylinder • Glue a carbon rod in place • His acts as a positive rod

  4. Glue foil in place as a negative plate • Connect the wire of the battery • Positive connected to the carbon rod • Negative connected to the foil

  5. Connect the water battery to the calculator after it is apart • Put this in place of the solar panel • Put the calculator back together • Fill with water and enjoy!

  6. How Does it Work? • Two different metals have an electronegativity difference • Immerse these metals in fluid with free floating ions • Ions will be attracted to one metal electrode causing a potential difference • Creates a very tiny amount of energy • Electricity produced by difference in electrode potentials • Water is good, Salt Water is better, Vinegar is best • More electrolytes = bueno!

  7. Bibliography • http://www.instructables.com/id/Water-Powered-Calculator/step8/Assemble-It-Again/ • http://www.ixibo.com/2009/01/top-7-water-powered-calculators-running-on-h20-batteries/

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