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THE DAILY INDEX

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MIDJOURNEY, THE AI IMAGE GENERATOR, IS DEVELOPING A FULL-BODY ULTRASONIC SCANNER

Midjourney's new project is a medical machine that can scan a person's whole body in just 60 seconds. The Midjourney Scanner is not related to anything seen from the company so far. It can create a 3D map of users' bodies, down to a fraction of a millimeter, that looks similar to an MRI but at nearly a hundred times the speed. A full scan takes less than 60 seconds, compared to the 60 to 90 minutes it typically takes to do a full-body MRI. The company is building spas to house the machines for customers to use.

MOSAICLEAKS: CAN YOUR RESEARCH AGENT KEEP A SECRET?

MosaicLeaks highlights the privacy risks of deep research agents that combine private documents with web retrieval, often leaking sensitive information. The proposed solution, PA-DR, enhances both performance and privacy by reducing answer/full-information leakage from 34% to 9.9% while maintaining task success. PA-DR uses rewards for safe query construction rather than relying on user prompts, making agents perform better without compromising data security.

REINFORCEMENT LEARNING TOWARDS BROADLY AND PERSISTENTLY BENEFICIAL MODELS

Reinforcement learning on realistic scenarios targeting beneficial traits can produce broad improvements across dozens of benchmarks measuring aligned and beneficial behavior. These gains generalize beyond the domains used for training and persist under adversarial pressure. This suggests that personas could be deeply entrenched in models, and RL may be a path towards entrenching beneficial personas.

SECURING THE FUTURE OF AI AGENTS

Google's AI Control Roadmap is a framework for building and managing the advanced AI deployed within the company. The approach adds a crucial layer of system-level security that provides assurance even if alignment is perfect. It incorporates safeguards like sandboxing, endpoint security, and prompt injection resistance. The roadmap uses AI alignment as a primary defense. It considers internal agents as potentially misaligned, providing assurance even if alignment isn't perfect.

GOOGLE IS USING NVIDIA'S PLAYBOOK TO BUILD A RIVAL AI CHIP BUSINESS

Google is renting computing power from thousands of its microprocessors at an AI data center in Western New York to AI giant Anthropic. The move will help data centers raise cheaper debt. Google realized the commercial potential for its TPUs about two years ago and started investing in their inference capabilities. Its AI infrastructure team is now hyper-focused on improving chip performance.

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