This machine turn thermal energy into mechanical energy.
Step 1: Material
Alcohol gel, lighter, cockler to put the alcoho gel, can of soda, a wind vane, syringe and some water.
Step 2: First Step
Make a little hole on the can and wait until all the soda gets out of the can.
Step 3: Second Step
Use a syringe to put some water in the empty can (Only half of the capacity of the can).
Step 4: Third Step
Put the alcohol gel in the cockler.
Step 5: Fourth Step
Put the can on the cockler.
Step 6: Fifth Step
Put the wind vane in front of the cockler.
Step 7: Sixth Step
Use the lighter to set fire to the alcohol gel.
Step 8: Seventh Step
Wait the water boil.
Step 9: Result
Due to the fire, the water will be heat and turn it into steam, The steam will get out of the can with pressure and, when tough the wind van, will make it move.