What physical embodiments of portals between worlds have been imagined in sci-fi/fantasy? My starter list:
Rabbit hole (Alice)
Subtle knife (dark materials)
Wardrobe (Narnia)
Phone booth (Doctor Who)
Platform 9 3/4 (Potter)
Wormhole with gate (Stargate)
Conversation
Dirk Gently has a weird mechanism where Thor turns his hammer by a tiny angle or something
HHG has a bunch of half-assed ones
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Replying to
What’s the one where there’s teleportation devices even in people’s houses so they have rooms on multiple planets but it turns out when they teleport they die and the AIs are using their dying thoughts to power themselves?
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