> but also had a specific function, such as aiding temperature control in homes.
How? Why even mention it without a blurb about what that even means?
Came here looking for this comment.
Especially given its occurrence in the summary paragraph, that is a strong claim and I would like to know more.
Some googling turns up social media links expanding on this claim ("reflective and insulating") but not immediately anything authoratative.
Indeed, I would be interested to know if this was more than just albedo.