Students have long had better access to wireless internet than staff in the Department of Chemistry. But this changed when we got our new and hard to remember user names. It's just that no-one (I am looking at you, Science-IT) bothered to tell us. Having said that, when I asked Science-IT I got the following helpful tip:
Follow the instructions for students on this site, and substitute <ki-id>@ku.dk for <ki-id>@alumni.ku.dk.