They’re heavily promoted. Your optometrist may even prescribe them. But when we looked at the evidence, this is what we found.
The electromagnetic spectrum we can access with current technologies is completely occupied. This means experts have to think of creative ways to meet our rocketing demands for data.
NASA Johnson/Flickr
Free space optical communication will allow the same connectivity in space we already have on Earth. And this will provide benefits across a number of sectors.
Two lenses might be better than one.
AstroStar/Shutterstock.com