This could run and run.
Elements and compounds can have some astonishing properties.
Water has some unique properties - one that is commonly known is that expands as it freezes.
Aviation-wise, it's not only water. Carbon fibre does too.
Merely fascinating until you realise that the A380 has an Aluminium spar in it's Carbon horizontal stabiliser. Don't know how it's dealt with, but I really really hope that they are not bonded together (originally).
My Father was an Aeronautical engineer (back when they were looking at ceramic blades), and I have a friend who he would love to have met - does composite stuff for RR. If I were to tell you too much about intelligent metals, black cars would be parking outside my house!
What are you working on?