Kelvin & Helmholtz were also fond of studying water:
<a href="https://books.google.ch/books?id=OcZ5iKsGrmoC&pg=PA336&dq=tw+körner++thomson+helmholtz+yacht&hl=en&sa=X&ved=2ahUKEwidz5KJneHrAhVMCewKHdQ7BsoQ6AEwAHoECAMQAg#v=onepage&q=tw%20körner%20%20thomson%20helmholtz%20yacht&f=false" rel="nofollow">https://books.google.ch/books?id=OcZ5iKsGrmoC&pg=PA336&dq=tw...</a><p>Lee on adaptive learning: "You must be shapeless, formless, like water. When you pour water in a cup, it becomes the cup. When you pour water in a bottle, it becomes the bottle. When you pour water in a teapot, it becomes the teapot."