{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"16ea2f8b71d633d5eee697e64bd0dd40102224251bf6752d4fdb77178830e895","created":"2026-10-03T07:17:50Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"87865a69bd418598ffcad645c11d335f72a4c5674f5f6c171aef37fa72263e75","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"bio.friction-wear","field":"bio","n":"1","review_cite":"A. Vanossi, N. Manini, M. Urbakh, S. Zapperi, E. Tosatti, Colloquium: Modeling friction: From nanoscale to mesoscale, Reviews of Modern Physics, 2013","review_link":"https://doi.org/10.1103/RevModPhys.85.529","review_verified":"true","summary":"Friction between solids follows simple rules known for centuries, such as being proportional to the load and not depending on the apparent contact area. How these rules emerge from atoms and from the rough contact between surfaces is not fully explained, and wear is understood even less.","title":"Microscopic origin of friction and wear","topic_ref":null,"why":"Friction and wear cause large energy losses and material failure in machines, and frictional instabilities control the onset of earthquakes."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"dda1bf26b56de68ff6e0bc9fd1289af1a90b0889469abd062648a7c0948252d9","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"9fabae68e01442996bdffee8fa4dbf7eb3d2c855b43aaf2a55d4c5d3e9e6a152","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"G6cTeKvLl7nA1VN9aqpbhkiVBS2L4cOZa9_UDtHOFLmy1LWz6uUHtqHk0VT6r1eWzYz2ZX0GJbgEh3nUOG3CAw"},"schema":"pubphys.envelope/1"},"record_hash":"dda1bf26b56de68ff6e0bc9fd1289af1a90b0889469abd062648a7c0948252d9","leaf_index":90}