Teleportations is a pyshic ability so it is apart of an kinesis. If you want to read up about it here is the link to read about psyhic abilitys http://dewarlorx.com/psychic.htm stroll down  and you will se teleportations almost at the bottom

-- Edited by hay lin at 12:54, 2007-02-09

It's not impossible, but similar to "chronokinesis" you'd have to have a damn-near computer like brain or analytical skill to be able to do it without harm or a serious risk.