Welcome from Ontario, Canada. I would want to know if any of those space fabrics could be used in quilt making. I watched a video from Meredith Woolnough and she mentioned that water solvable fabric was invented for the medical field. Apparently it was used to make the bags to hold medical instruments for sterilization and the bag disolved just leaving the clean instruments. Get your thinking cap on and find some uses for space fabric. With it's thermal insulating properties, maybe blankets for the homeless? How about hot pads and oven mitts if the cost wasn't prohibitive.