One of the best insulators is air.
At the molecular level, heat transfer is easier when atoms are packed closely together.
The point of most insulations is to get rid of as much solid material and trap still air inside little pockets.
That’s what this material invented by NASA does. But it has been difficult to work with.
Until now. Oros has perfected a way to make this material plyable and cheap enough to produce a line of clothing to keep the cold out.
An excerpt from PopularScience:
Most closed cell foams trap different gases than the air we breathe, but they still work on the same principle, replace as much solid material with gas as possible.
Oros claims to have found a better way to produce aerogel, which insulates just as well as its more brittle counterparts, but is much easier to work with and doesn’t rub off on the skin.
Formerly, the substance needed to be contained within some kind of plastic or impermeable sealant to be used in clothing. Oros’ flavor, called SolarCore Aerogel, does not.
Aerogel is 99 percent air, as the name implies. Our air’s great ability to insulate does most of the work. NASA actually invented aerogel, and has been using it to insulate things like Mars rovers.
But Oros is putting this technology into jackets, gloves, and hats. By lining certain parts of the apparel with their flexible aerogel, which only absorbs a minute amount of heat, the clothing is able to better retain the heat made by the body.
It’s the dream of every winter clothing manufacturer— near-perfect heat retention.
This is Oros’ second line of apparel, this time adding the gloves and hats and updating the kind of aerogel used. Oros actually had to pare down how much aerogel was used in the production of the jackets, hats, and gloves, because an issue was overheating, even in extremely cold climates.
In a demonstration, the company tested their jackets against liquid nitrogen, which brought the outer temperature down to -321 degrees Fahrenheit, while inside stayed a balmy 89 degrees.
We got our hands on (and in) Oros’ new gloves and hat, and can attest they’re extremely warm. The gloves are dexterous, meaning you can wiggle your fingers and perform lots of tasks outside, but I unfortunately could not type the article with them on. (I tried.) The hat only uses the aerogel material around the ears, which does help prevent overheating.
However, we did put the items they gave us to test through their paces. Using our handy office FLIR thermal camera, we tried both the hat and gloves to see how well they retained heat.
We were surprised to see the aerogel let heat through as rapidly as ours did, as seen by the orange in the photos. These tests weren’t entirely scientific, but the clothing did leak a fair amount of heat, according to our readings.
The company is launching a Kickstarter campaign today, which is the only way to buy their new line. You can snag aerogel hats for $35, gloves for $99, and jackets for $275, for a limited time. You can still buy Oros’ previous line on their website.
Video: Keeping warm in the cold…
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