I had 10 minutes of the lesson left, and the student and I were online talking about Simple Harmonic Motion. He hadn't done or seen the experiments. I got out the equipment and @pascoscientific Capstone and sensors and in 10 mins we were done
Sodium Alginate Spheres and Chemical Gels — When a Liquid Becomes a Solid in Seconds What if you could take a liquid, drop it into another...