Yes, it would require radiative surfaces with sky view. Such systems are already in use, including surfaces that get much cooler than air temperature, in the su

Yes, it would require radiative surfaces with sky view. Such systems are already in use, including surfaces that get much cooler than air temperature, in the sun on a warm sunny day. When you cool a building or a data center or whatever, you can pump that heat into a high temperature fluid and send it to a sky-radiator instead of sending it to an air-exchange radiator. So heat produced in processes could be moved to radiator assemblies and “beamed” into space (I probably should have said radiated).