> CAT is currently at NASA Technology Readiness Level (TRL) 3, meaning we are in the midst of performing experiments to probe its feasibility, thanks to private sponsorship<p>Clicking on the link, 3 is a really far way from actually flying. Like, they haven't successfully demonstrated this in a lab yet. For reference, there are 9 stages, the final one being "it's in space".<p>It seems like an interesting idea, but I'm with the other commenters in asking why this needs money from outside the traditional channels. It's the kind of long-winded and technical writeup I would expect from a grant proposal, not a Kickstarter.