I had a unique opportunity a year or so ago to hold in my hand a neat material. These pictures are part of a very large satellite dish for conducting radio astronomy research.
This particular antenna was damaged in shipping, so my friend got to cut it up and inspect the structure some more. The material is a honeycomb structure of thin aluminum and the materials on either side are a carbon composite. The aluminum honeycomb provided good strength, but then the carbon composite gives the dish good stiffness properties. For receiving radio waves, any deflection in the large dish from one side to another, the signal will be distorted.
I wanted to put these in one of my blogs, and perhaps this advanced material will be tomorrow’s archeology discovery. I put them here for this reason, and I hope you enjoy.