Iron Man stopped needing a chest plate in Iron Man #19, thanks to a miraculous surgery that fully repaired his heart. The concept of a chest plate to keep Tony Stark alive became outdated as ...

Why Tony Stark no longer needs the Arc Reactor Another major plot point of the ending of Iron Man 3 revolves around Tony's decision to have surgery to remove the shrapnel from his chest.

He survives - barely - with a chest full of shrapnel and a car battery ... out that the battery can power something else. Thus Iron Man is born. He uses the primitive device to escape from the ...

Microsoft has developed the world’s first quantum computing chip called Majorana 1. The company says quantum computers are ...