All ways..?

A belated supplement for the post on portals. That post was set off by the domain-level project running at Hill Cantons and this one by The Angry Lurker mentioning Stargate. It's another list to inspire or help with research, as with the fictional mines and seventies films.

I've decided to include any method of instant or greatly accelerated travel through any or all of space, time, dimensions or universes. A major issue is classification of course. Alphabetical order is no real use, but we know there's little difference between high technology and magic, or science fiction and fantasy. So I've grouped them by general feel, but could it be better? And what else should be here?