User:Say Abracadavre Now/Sandbox

Gravity Manipulation: Any form of matter would collapse a wormhole, except for dark matter or antimatter. A human could never travel into a wormhole because of this

Radiation Manipulation: Wormholes are filled with radiation

Cold Manipulation: Wormholes are cold

Time Manipulation: Time works differently in wormholes. This is explained by "Special relativity dictates that moving clocks run slowly. In other words, someone racing around at nearly the speed of light would not advance into their own future as quickly as someone standing still."

Space-Time Manipulation and Portal Creation: Wormholes are passages through space-time

Physics Manipulation: Wormholes break the averaged null energy condition