Q: Context: Article I of the Constitution sets forth most of the powers of Congress, which include numerous explicit powers enumerated in Section 8. Constitutional amendments have granted Congress additional powers. Congress also has implied powers derived from the Necessary and Proper Clause of the Constitution.

Question: where are the implied powers of congress found in the constitution?
Let's give stream of consciousness below
To answer the question, consider the following: Congress also has implied powers derived from the Necessary and Proper Clause of the Constitution. So the answer is the Necessary and Proper Clause of the Constitution.