Does anyone else remember the Muppet Show skit called “PIGS IN SPACE“?  Actually, it was called “PIIIIIIIIIIIIIIIIIGSSSS IIIIINNNNNNN SPAAAAAAAAAAAAACE,” mainly because in outer space distances are vast and despite the fact that sound doesn’t travel through a vacuum, all announcements about astronaut pigs really should be made with excessive reverb.  I don’t really have any more time to go on about the pigs but I bring them up because they are hilarious and because they were the first thing I thought of when I heard about Cellulose Aerogel, which is the material I’m about to describe in excruciating detail over the course …