I have not SEEN THIS BEFORE! Anyone Know?

I have not SEEN THIS BEFORE! Anyone Know? what it is? what its used for? what its made out of? It will probably turn out to be something boring but you just never know..Could be some new material being used to make machines and possibly robots! YOU MIGHT LIKE THIS it was featured at end of video Sentients https://meditationforfreedom.co.uk/sentients-explored/