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How to make Biofuel (biogas, methane) from waste
How to make Biofuel (biogas, methane) from manure and water Aim: When you have completed these activities you will have produced and studied the biogas, methane (CH4). You will need: Plastic drink bottle Mud from the bottom of a pond, or manure Matches Procedure: Fill a plastic drink bottle with mud or a mixture of…
Smartphone Controlled Winding Machine | Arduino Project
Sometime when I need some wire so I took a full thread spool but I am done with my work it is difficult to rewind all that again. So today I though to make a winding machine. First I build a thread winding Machine. Then I programmed it to be controlled via Bluetooth. So I…
How to make Saltwater Battery
What is Salt Water Battery An interesting project to understand one of the oldest concepts of generating and storing electricity by using saltwater solutions with different metals. Materials and Tools Needed to make Salt Water 4 Disposable Cups Copper thick wire (4 pieces, 3 inches each) Aluminum tape Saltwater Connecting wire 1 ft LED Scissors…
How can the energy of sound cause something to move?
How can the energy of sound cause something to move? This activity shows that sound can actually do work. It can make something move. Energy is transferred from one guitar to other by sound waves. And the strings of the second guitar vibrate. The two guitars should be tuned alike so the vibrating frequency is…
Make your own Water prism.
Make your own Water prism. A prism is a transparent object that separates light into individual beams Difficulty Level: Elementary/Secondary Concept: Dispersion of light, Spectrum, Prism Introduction: We can see a clear spectrum projected on a wall using a plane mirror and water in a vessel instead of a prism. Materials: a water container (Tupperware),…
