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The sun is a fantastic (and free) source of energy just waiting being harnessed. You can build a simple solar hot dog cooker for use over... -
Testing the Ozone was Did you ever hear of an ozone alert? Ozone is a kind of oxygen that can be harmful to people when it enters our brea... -
Building a Wind Gauge Here is a simple wind gauge for use in breezes. It will indicate direction and relative speeds. Use the wind gauge... -
Energy is available in many forms. Electric energy can be changed into useful work, or mechanical energy, through machines called electric m... -
Power companies market their products by making impressive claims about precisely how durable and reliable their batteries are. Nonethele... -
CD balloon hovercraft Make this happen very simple project to generate a floating disc that will skims across a surface exactly like the ... -
Make a Water Cycle Model is Should you leave of cup of water on the sunny table outside, the water disappears within a couple days. Wher... -
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Color Changing Milk products is guaranteed that they are one of the perfect kitchen chemistry tests. Some very unusual interactions tr... -
There are many great reasons to learn how to complete a solar oven! Maybe you’re going camping. Maybe you’re keen on learning about di...
