Whether you're running a quick web search or creating a complex video, sharper prompts lead to stronger results. Level up your prompt game with the best tips and tricks I've learned.

Today's phones and PCs are full of built-in AI, from Galaxy AI to Copilot, but are these tools powerful enough to replace the apps in my regular rotation? I put it to the test.

These start-ups, including Axiom Math and Harmonic, both in Palo Alto, Calif., and Logical Intelligence in San Francisco, hope to create A.I. systems that can automatically verify computer code in ...