Yes. A refigerator needs to radiate heat.
Radiation does not require a medium.
That refers to radiation.
Because radiation is particles.
Radiation
Radiation
Radiation does not require a heated liquid to transfer energy.
Radiation does not require matter.
No. Evaporation and condensation is enough.
It's because of radiation that as you know black body is an ideal radiation body for good radiation and so good heat transfer.
tang ina nio
Radiation
Equipment sent into space like satellites require thick radiation shielding due to a lack of an atmosphere. In space, radiation exposure is considerably higher than on Earth.