Clausius Statement
Source status: Attributed to Rudolf Clausius
Heat never flows from a colder body to a warmer one by itself.
- Rudolf Clausius
Kelvin Statement: No engine can turn all of its heat into work. Some is always lost.
- Lord Kelvin
In context
This law belongs with Murphy's Miscellaneous Laws, where small assumptions, timing, and system complexity tend to turn into memorable failures.
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- Murphy's Miscellaneous Laws Read more laws in this category.
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