Taming light with cold atoms
As Anyone who uses the Internet will know, the last ten years have seen some incredible developments in communication. We can now e-mail colleagues thousands of miles away and download research papers from distant servers in seconds. Much of this extraordinary progress has been due to improvements in optical communication. And, despite recent reports of a financial downturn in the optical-technology sector, we are now at a very exciting stage as far as the technology itself is concerned.