Beekeeper1

Same with you on totk. The tutorial area was worrying, but once I got outside and saw how big they made the world, it felt like an actual sequel.

Introducing, the "power" plant.

This nasa link was in the video description: https://www.nasa.gov/topics/technology/features/aerogels.html

Not too much more information, but it seems the main property used will be: "They are light, durable and extremely effective at insulating and preventing heat transfer."