I didn't hear anything like that from any of the podcasts. Science fiction has been an element of the show for a while now:
1. Daniel Faraday is a physicist studying Kerr metrics at Oxford University.
2. The Swan has a role in regulating electromagnetic radiation emanating from the island.
3. Being "unstuck" in time (like Desmond), which is actually a theory concerning the fourth dimension and our concept of time (
read here for more info).
4. Teleportation (as you mentioned).
5. There are also rumors floating around that the smoke monster itself is some type of technology rather than merely a "monster."
...and to those I say, "Good show." It's much easier to explain away unbelievable plot lines and occurrences by simply saying: it's magic! I think it's much more difficult and conseuqently more entertaining to add some plausibility to all the happenings on the island.