China’s FNTF links AI centers via “AI superhighway” optics; America counters with federated testbeds.
Waymo suspended its SF robotaxi service on Saturday evening after a massive blackout appeared to leave many of its vehicles stalled on city streets.

This is The Stepback, a weekly newsletter breaking down one essential story from the tech world. For more on robotics and AI, follow Robert Hart. The Stepback arrives in our subscribers’ inboxes at 8AM ET. Opt in for The Stepback here. We’re taking a winter break! The Stepback will be back on January 11th, 2026. […]
ChatGPT users can now tweak the chatbot’s warmth, enthusiasm, and emoji use.
Wolfram-like attention framing meets spiking networks: event-triggered, energy-thrifty AI that “wakes” to stimuli.
The bill will require large AI developers to publish information about their safety protocols and report safety incidents to the state within 72 hours.
If we attain AGI (artificial general intelligence) some believe that multiple AGIs will battle for dominance. Here’s the inside scoop and what we need to do about it.
The round was led by Lightspeed Venture Partners, according to people familiar with the deal.

Google isn’t quite ready to replace Assistant with Gemini on Android devices. The company said on Friday that it will “continue our work to upgrade Assistant users to Gemini on mobile devices into 2026,” instead of its original plans to make the switch by the end of 2025. “We’re adjusting our previously announced timeline to […]
Graphite is an AI code review assistant that was last valued at $290 million.