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.
Iridium's latest launch brings its next-generation satellite network close to completion. But will it be put to the sword by a whole set of smaller rivals?
Astronomy on the continent has been given a much needed boost with Ghana's converted radio telescope between it and South Africa, to conduct scientific observations.