What is quantum computing, and why does Trump care? | Mashable

It’s been a week since President Trump signed an executive order directing a whole-of-government push on quantum computing — funding it, securing its supply chains, building its workforce, and making sure adversaries like China don’t get there first.

This marks a significant federal commitment to a technology that is either the next great computing revolution or the most expensive science experiment in history, depending on the expert opinion. But one thing it can do: replace AI as the carrier of long-term hopes for the tech industry. This would be the right moment for a switch, as the vibe shifts on AI itself: models are more expensive to train, returns are harder to demonstrate. Investors who have sent AI stock soaring may soon be looking for the next big thing to believe in.

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