The AI kill switch, explained: 'It's not too little, but it's probably too late'

Amid calls for an AI 'emergency brake', experts say a single kill switch is impossible: infrastructure is distributed across thousands of systems, and models are unpredictable. A US Congress bill would give DHS authority, but the Senate rejected it; California's governor ordered AI safety rules to be developed.

• Kill switch bill would give DHS power to stop models, but Senate rejected it
• Experts: need to 'kill' thousands of systems, including backup data centers
• Shutting down AI could disrupt power grids and financial systems
• Newsom tasked expert group to develop AI safety rules