Coating technique makes glass you can’t see

Some of the deep thinkers over at MIT have come up with an interesting hack for ordinary glass. If you coat it in a special way it becomes nearly invisible. This is only one of the effects of the coating, but brings images of people walking through glass walls to our minds.

Joking aside, this is really very useful. The images above show a microscopic view of the cones that are applied during the coating process. They prevent the surface tension on a drop of water from being broken, and you can see the clip of water actually bouncing right off the glass in the video after the break. This also means it acts as a non-stick coating for dirt, grime, and even fog. Anyone who’s taken a tropical vacation will know that taking a picture outside with a camera that’s been in an air-conditioned room results only in a snapshot of a foggy lens. This coating could change that. But it’s also got a lot of potential with the glass panes covering solar cells. If they can’t get dirty, and there’s virtually no glare, you should see a performance boost. It’ll be interesting to see how long this takes to come to market and what the first products to use it might be.

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