[That look right there? That's a look that Tony got once, maybe twice in his whole life from Howard, and never with such intensity. For all he's imagined making his dad say how proud of him he is, it's incredibly uncomfortable once he's actually experiencing it. Abort mission, abort, he thought he wanted this but he totally didn't.]
We'd have to build a particle accelerator from scratch, seeing as I don't have one of those on hand here. It's possible we could create one of the older versions if we could get our hands on enough palladium but that was...unstable, to say the least.