Earlier tests on small versions of the concept have been successful. According to a report from SFGate, Longshot has launched apple-sized objects at speeds up to Mach 4.6. That’s well short of the final goal, but it’s a decent proof of concept, and it makes a loud sonic boom. To build bigger guns, Longshot needs a bigger space.

President Donald Trump has been clear about his vision for America as an AI superpower, signing in his first week an executive order geared toward helping AI “promote human flourishing, economic competitiveness,

Amid fears of mass AI-induced job losses, AI leaders are touting solutions like universal basic income. Here's what they're saying about UBI.

OpenAI's Sam Altman is already looking at how much the company would like to spend after the $500 billion Stargate project. Speaking on The Times of London's Tech Podcast, Altman suggested $5 trillion as a potential number. He also discussed Stargates in other countries, beyond the US, as well as buying other companies' infrastructure.

The rivalry between Sam Altman and Elon Musk is entering its Apprentice era. Both men have the ambition to redefine how the modern world works—and both are jockeying for President Donald Trump’s blessing to accelerate their plans.