Oh god. We developed the blackest tshirt in the world. So I know much more about this subject than what is possibly good for my mental health lol

I made a comparison video about the ultra blacks that are freely available https://youtu.be/ElVzQ2M6vh0

Regarding VB and the MIT stuff, they are hi-tech and useful for optical applications like space telescopes.

Interestingly, the creator of Vantablack told me that there are also some export restrictions due to it's possible usefulness in stealth technology where you want to get rid of stray light.

Let me know if you have additional questions