An AI tool is reading minds by recreating images from brain scans, potentially helping locked-in people and revealing dreams. But watch out for unwanted peeks into your psyche.

Meanwhile, small, innovative batteries are finding homes in unexpected places, like induction stovetops and food carts, promising to cut pollution and bills while making the grid greener.

The Pentagon’s tapped Elon Musk to lead a future warfare project, called Project Meridian, exploring space and underground battlefields alongside Palmer Luckey and Newt Gingrich.

Chinese hackers impersonated US officials to spy on AI experts, while the FTC is investigating AI labs for potential consumer harms. Google unveils Gemini 4 Argon, aiming to re-establish its AI dominance, but faces skepticism over coding performance.