Links for 2025-04-22
AI1. AI assisted search-based research actually works now
https://simonwillison.net/2025/Apr/21/ai-assisted-search/2. Pre-training isn't dead, it’s just resting
https://tmychow.substack.com/p/pre-training-isnt-dead-its-just-resting3. Questions about the Future of AI: Considerations about economics, history, training, deployment, investment, and more
https://www.dwarkesh.com/p/questions-about-ai4. Demis Hassabis discusses AGI, AI in medicine, and DeepMind’s groundbreaking advancements in robotics and reasoning.
https://www.cbsnews.com/video/demis-hassabis-ai-deepmind-60-minutes-video-2025-04-20/5. AgentA/B: Automated and Scalable Web A/BTesting with Interactive LLM Agents
https://arxiv.org/abs/2504.097236. Let Me Grok for You: Accelerating Grokking via Embedding Transfer from a Weaker Model
https://arxiv.org/abs/2504.132927. Eagle 2.5: Boosting Long-Context Post-Training for Frontier Vision-Language Models
https://nvlabs.github.io/EAGLE/8. A Deep Peek into DeepSeek AI’s Talent and Implications for US Innovation
https://www.hoover.org/research/deep-peek-deepseek-ais-talent-and-implications-us-innovation
Brains1. Each of the Brain’s Neurons Is Like Multiple Computers Running in Parallel
https://singularityhub.com/2025/04/21/each-of-the-brains-neurons-is-like-multiple-computers-running-in-parallel/2. “It looks like most mammals, at least most large mammals, have the brains they need, while primates, especially large primates, have the brains they can afford.”
https://logarithmichistory.wordpress.com/2024/04/19/ground-up-monkey-brains-8/3. Geoffrey Hinton says the more we understand how AI and the brain actually work, the less human thinking looks like logic. We're not reasoning machines, he says. We're analogy machines. We think by resonance, not deduction.
https://youtu.be/vpUXI9wmKLc?si=E_t6BgVIhrdI3JN2&t=1703Miscellaneous1. “The semiconductor manufacturing business is absolutely immense. To give the numbers some perspective, in 2024, chip makers generated revenues that were about three quarters of the size of the US defense budget and about two-thirds the size of the social services budget allocated by Congress.”
https://www.nextplatform.com/2025/04/21/the-chips-are-definitely-not-down/2. A novel hybrid digital–analog approach to quantum simulation that we used to emulate quantum behavior of a magnet, resulting in a notable scientific discovery and new possibilities for beyond-classical applications.
https://research.google/blog/a-new-hybrid-platform-for-quantum-simulation-of-magnetism/3. Multiplex Gene Editing: Where Are We Now?
https://www.lesswrong.com/posts/oSy5vHvwSfnjmC7Tf/multiplex-gene-editing-where-are-we-now4. Last month, the Nucleic Acid Observatory identified an engineered virus sequence in wastewater.
https://naobservatory.org/blog/updates-apr-2025/5. KAIST Develops Retinal Therapy to Restore Lost Vision
https://www.kaist.ac.kr/site/newsen/html/news/?mode=V&mng_no=453506. EthnoGuessr is a GeoGuessr variant: it shows you pictures of an ethnic group, you click on the map where you think they’re from.
https://hbd.gg/