I know, I know. This is a piece in the technology section, and it’s about a development so retro, so old there’ll be Wild readers whose grandparents who weren’t yet born when it first came into being. But that doesn’t mean it’s not exciting, nor potentially revolutionary.
I’m talking about Aerogel, developed by NASA in the 1930s. (Talk about a lead time; eighty years until this tech is finally filtering into the outdoors gear market.) Anyway, what the boffins discovered back then was that—by combining a polymer with a solvent to form a gel, and then by replacing all the liquid with air—they could develop a product with the lowest thermal conductivity of any known material.
Here’s a way of picturing it, says Matthew Adams, General Manager of Australian outdoors…
