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Energy has many different forms like gravitational, kinetic, electrical, chemical energy and as we know from Albert Einstein, even mass. According to the first law of thermodynamics the total amount of energy remains constant and can only be converted from one form into another. We are familiar with processes like the acceleration of a stone falling to earth (conversion of gravitational into kinetic energy), or the burning of gasoline to drive our car (conversion of chemical into kinetic energy). But what about "water" that drives a swinging object or generating electricity from falling water drops? Can you imagine the direct conversion of light into rotational movement? Or the conversion of heat into kinetic energy in an engine mainly built of a special metal wire?


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Bird

Movable Device
driven by Water Evaporation

€13.00

Heatmobile2.0Kit

Memory Metal Engine driven by hot Water - Kit

€35.00

Seesaw

Candle Bimetal Engine

€23.00

Radiometer

Thermal Repulsion Drive

€20.00

KelvinEngine

Engine converting Energy of falling
Water Drops into Electricity

€236.00

ElectrostaticMotor

Engine converting electrostatic Energy into rotational Movement

€221.00

SolCool

Adsorption Cooling System

€554.00

FirePiston

Generating High Temperature by Compressing Air in a Cylinder

€51.00

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