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I'm pretty sure the "Counterfactual computing" link in the article is a joke.
One pretty big tipoff is the following line:
"We also showed theoretically how to obtain the answer without ever running the algorithm, by using a 'chained Zeno' effect."
Zeno is the villian in Scientology, kind of like the devil of Christianity.
Plus, read it with an eye to its being fake, and it's pretty humorous.