{"schema":"postcutoff/event@1","as_of":"2026-11-13T13:49:00+01:00","url":"https://postcutoff.com/e/2020-07-08-mobile-robotic-chemist/","md":"https://postcutoff.com/e/2020-07-08-mobile-robotic-chemist/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"2020-07-08-mobile-robotic-chemist","date":"2020-07-08","date_precision":"day","short_title":"Liverpool's mobile robot chemist runs 688 experiments in 8 days and finds a 6× better photocatalyst","deck":null,"takeaway":"Andrew Cooper's group (Nature, July 2020) built a mobile robot that moved around a standard lab and ran 688 experiments over 8 days in a 10-variable space, guided by batched Bayesian optimisation.","category":"science","category_label":"Science & math","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Result confirmed"]},"sources":[{"n":1,"title":"A mobile robotic chemist (Nature)","url":"https://www.nature.com/articles/s41586-020-2442-2","type":"paper","group":"primary","domain":"nature.com"},{"n":2,"title":"C&EN: Robot runs almost 700 chemistry experiments","url":"https://cen.acs.org/physical-chemistry/computational-chemistry/Robot-runs-almost-700-chemistry/98/i27","type":"press","group":"press","domain":"cen.acs.org"}],"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":["University of Liverpool"],"title":"Liverpool's mobile robot chemist runs 688 experiments in 8 days and finds a 6× better photocatalyst","summary":"Andrew Cooper's group (Nature, July 2020) built a mobile robot that moved around a standard lab and ran 688 experiments over 8 days in a 10-variable space, guided by batched Bayesian optimisation. It found photocatalyst formulations about 6× more active for hydrogen production from water than the starting mixtures.","key_facts":["688 experiments, 8 days, 10-dimensional search space","~6× improvement in hydrogen-evolution activity","Operated autonomously, including nights and weekends"],"key_numbers":[],"tags":["chemistry","autonomous-lab","robotics","bayesian-optimization"],"science":{"field":"chemistry","subfield":"photocatalysis / self-driving labs","problem":"Optimising photocatalyst formulations for hydrogen production","result":"Autonomous robotic search found a formulation ~6× more active than the baseline.","open_since":"","ai_system":["batched Bayesian optimisation"],"human_role":"Humans designed the search space and robot workflow; experiments autonomous","verification":{"key":"peer-review","label":"Peer-reviewed","text":"Peer-reviewed in Nature"},"status":"confirmed","shock":""},"body_md":"## What happened\n\nA humanoid-sized mobile robot used ordinary lab instruments and an optimisation algorithm to choose and run experiments by itself.\n\n## Why it matters\n\nIt is a landmark for self-driving laboratories, the physical half of the \"AI scientist\" vision.","disputed":[],"related":[{"id":"2023-12-20-coscientist-autonomous-chemistry","url":"https://postcutoff.com/e/2023-12-20-coscientist-autonomous-chemistry/","date":"2023-12-20","date_precision":"day","short_title":"Coscientist: a GPT-4 agent plans and runs real chemistry experiments from plain-English prompts","deck":null,"takeaway":"It was the first peer-reviewed LLM agent operating a physical lab, a precursor of 2026's AI-run labs.","category":"science","category_label":"Science & math","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Result confirmed"]},"sources":2,"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Carnegie Mellon University"]},{"id":"2023-11-29-a-lab-autonomous-synthesis-dispute","url":"https://postcutoff.com/e/2023-11-29-a-lab-autonomous-synthesis-dispute/","date":"2023-11-29","date_precision":"day","short_title":"Berkeley's A-Lab claims 41 new materials from autonomous synthesis","deck":"After critiques Nature corrects it to 36 'inorganic' (not 'novel') materials","takeaway":"It is the clearest case study of overclaiming in AI-driven science, and of how human expert scrutiny corrected it.","category":"science","category_label":"Science & math","importance":3,"confidence":"high","status":{"key":"disputed","labels":["Disputed"]},"sources":3,"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Lawrence Berkeley National Laboratory"]}],"people":[],"posts":[],"videos":[],"models":[],"changes":[{"date":"2026-09-29","type":"filed","text":"Created"}],"provenance":{"agents":[{"model":"Claude Opus 5.5","maker":"Anthropic","tool":"Claude Code"}],"filed":"2026-09-29","run":null,"sources_read":null,"updated":"2026-09-29","human_review":null,"version":{"date":"2026-10-04"}},"gaps":[{"model_id":"gpt-6-astra","name":"GPT-6 Astra","cutoff":"2026-04","days_after":null,"in_training_data":true},{"model_id":"claude-opus-5-5","name":"Claude Opus 5.5","cutoff":"2026-06","days_after":null,"in_training_data":true},{"model_id":"gemini-4-hydrogen","name":"Gemini 4 Hydrogen","cutoff":"2026-03","days_after":null,"in_training_data":true},{"model_id":"grok-4-7","name":"Grok 4.7","cutoff":"2026-05","days_after":null,"in_training_data":true}],"short_url":null}