The discussion centers on the feasibility of constructing a closed or isolated system, particularly in the context of vacuum environments and energy transfer. Participants explore theoretical and practical implications of isolation in systems, including the role of thermal radiation and electromagnetic radiation.
Participants express differing views on the possibility of a closed system, with some arguing for the theoretical isolation of a vacuum and others asserting that energy transfer mechanisms prevent true isolation. The discussion remains unresolved with competing perspectives on the topic.
Participants do not fully explore the implications of thermal radiation and electromagnetic radiation in detail, leaving some assumptions and definitions unaddressed.
No, you can't have a perfectly isolated system. In the case of a vacuum, thermal radiation will be emitted by the inner surface of the vacuum chamber and reach the system that way. The most obvious (and important for humans!) example of this is the sun.VishalB95 said:In practice, is a closed or isolated system possible?
My friends keep saying No, but isn't a system inside say, a vacuum isolated?
There is no outer atmosphere for transfer of energy to take place.
How does sunlight reach Earth? There's a vacuum between the Earth and the sun. Electromagnetic radiation does not require a medium.VishalB95 said:How can radiation be transmitted without a medium??