Making a Scribbling Machine

Making a scribbling machine is a great way to experiment with the erratic movement of an offset motor. Basically, a Scribbling Machine, is a motorized gadget that moves in erratic ways and leaves a colorful trail which traces its path.   A scribbling machine is made from simple materials and demonstrates the erratic motion produced … Continue reading Making a Scribbling Machine

Lord Kelvin’s Thunderstorm

Lord Kelvin’s Thunderstorm is a type of electrostatic generator invented by British scientist William Thomson, better known as Lord Kelvin, in 1867. Kelvin referred to the device as his water-dropping condenser.   The device uses falling drops of water to generate voltage differences by using electrostatic induction, which occurs between interconnected, oppositely charged systems.   … Continue reading Lord Kelvin’s Thunderstorm