The Handover
Tuesday 20 October 2026
The day in 7 stories, as Asia signs off and New York wakes up.
AI
Amazon launches TorchNeuron to challenge Nvidia's AI chip dominance
AWS released TorchNeuron, letting PyTorch applications run on Amazon's Trainium chip with a one-line configuration change. It simplifies using Amazon's alternative to Nvidia hardware.
AI
AI Proves Quasi-Riemann Hypothesis in Breakthrough for Mathematics
OpenAI announced that its AI proved the quasi-Riemann hypothesis. The result, a weaker version of a famous unsolved problem, was released alongside 377 other AI-generated proofs.
AI
Microsoft brands AI agents as 'insider threats', urges independent oversight
Microsoft introduced Guardian Agents to monitor and control enterprise AI agents as potential insider threats. The approach calls for oversight independent of the labs supplying the models.
AI
Nvidia launches open-weight AI models for enterprise agents and local PCs
Nvidia released open-weight Nemotron 3.5 Super VL for enterprise agents and two smaller Bolt models for local PCs. The family targets both data centers and edge devices.
AI
US orders DeepSeek purge from civilian agencies as China criticises 'politicised' tech ban
DHS directed civilian US agencies to remove DeepSeek from government systems and halt new purchases of services built on it. It cited the risk of sensitive data reaching the Chinese government.
Business
Waymo plans to grow fleet from 4,000 to 20,000 cars after $5bn debt raise
Waymo plans to grow its fleet from about 4,000 cars to 20,000 by the end of next year using $5 billion in borrowed funds, Semafor reported. It is expanding in US cities and preparing to enter Toronto.
AI research
Explicit goal grounding helps navigation agents stop at objects
Amazon FAR and New York University researchers showed StopWatch improved navigation by predicting whether a goal was visible and its distance. It achieved state-of-the-art success across six simulated benchmarks.
The Handover is the day in a handful of stories, weekday evenings at 8pm your time, and a thread on X at 7am in New York and in London. Get it by email or push from your account, or subscribe by email.
Also posted as a thread on X: @zotpaper.