Sneaky Milk Plastic
By Cy Tymony
You will need
Metal saucepan
Spoon for stirring
Measuring spoons
Strainer
Wax paper
Paper towels
4tsp white vinegar
1c milk
Optional:
Acrylic paint
Cornstarch
Small neodymium magnet
Don’t have a 3D printer to make plastic parts? Use moo juice instead. Ordinary cow’s milk contains a protein called casein. When separated from milk by using an acid such as vinegar, casein becomes a moldable plastic material that can be used to create everything from glue to fabric to billiard balls. Make your own custom parts for projects!
1. Cook the milk with vinegar.
Pour 1 cup of milk into the saucepan and warm it to a ...
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