eksperymentator

What determines the shape of a drop of water?

Hydrophobic-hydrophilic properties Needed materials and equipment: samples of various solid materials, Pasteur pipette, water. Things to do: 1. Spread samples o...

How do the scraps of paper covered on one side with pencil graphite in a container with water and oil behave?

Macroscopic hydrophobic effect Needed materials and equipment: small white sheet of paper, pencil, scissors, glass flask, water (the bottle A), vegetable oil (t...

How to make an elastic material in a one-pot synthesis?

Preparation of silicone Needed materials and equipment: aqueous solution of sodium silicate aka water glass (the bottle A), denatured rectified spirit (the bott...

How to close a drink in a spherical gel membrane?

Spherification of drinks Needed materials and equipment: 0.5% solution of sodium alginate in drink (the cup A), 1.0% solution of calcium lactate in water (the c...