What did Pierre Curie invent?

Answer 1

Pierre Curie invented the most Curie Point. The Curie Point is a point at which ferromagnetic substances lose their ferromagnatism. He and his wife's research also led to many important discoveries in modern physics and chemistry.

Answer 2

Pierre Curie, along with his wife Marie Curie, did not invent anything in the traditional sense. However, they discovered the elements radium and polonium and conducted groundbreaking research in radioactivity, which led to advancements in the field of nuclear physics and paved the way for modern radiology and cancer treatment.