You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when was the second law of thermodynamics discovered?" whose answer is 1824.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was the second law of thermodynamics discovered
Useful Output:

Doc 1: The basic concept of the Second Law was first formulated in the 1850s, and rather rapidly took on something close to its modern form. It began
Doc 2: The German scientist Rudolf Clausius laid the foundations for the second law of thermodynamics in 1850 by studying the relationship between heat transfer and
Doc 3: The first and second laws of thermodynamics are independent of each other because the law of entropy is not directly derived or deduced from
Doc 4: The second law of thermodynamics can be precisely stated in the following two forms, as originally formulated in the 19th century by the
Doc 5: Around 1850 Rudolf Clausius and William Thomson (Kelvin) stated both the First Law - that total energy is conserved - and the Second Law of