{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"7b3b3f0e2f1ae282e0adec617107597f98a449f437253fe72c6242df57451cef","created":"2026-10-03T07:17:50Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"9cf234d48fb4db4653f91dbc7b7a2b403f703306efb3204f392b2cf6a9b73b90","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"cm.contact-electrification","field":"cm","n":"1","review_cite":"D. J. Lacks, T. Shinbrot, Long-standing and unresolved issues in triboelectric charging, Nature Reviews Chemistry, 2019","review_link":"https://doi.org/10.1038/s41570-019-0115-1","review_verified":"true","summary":"Rubbing or touching two insulators, like a balloon and hair, leaves them oppositely charged, a fact known since antiquity. Which charged particles move, and why one material ends up positive and the other negative, is still not understood.","title":"Contact electrification of insulators","topic_ref":null,"why":"Static charging causes dust explosions and industrial hazards, powers triboelectric generators, and may contribute to lightning and planet formation."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"6676ebb8ae9967cf0bd809e5691250afdfe45b670cf3dafe4fffa9bdff8cdab2","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"891a4532088401536c9000adf831add21271200b889bb35d65766f02a1f50e84","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"xKkfc1_F9flw4xff3ZTEOFFto9Dh66qd-M65GX8gBbWAtMNeEtfTcWc7yQVvDjGujbj0u_1Bni8BSpSJ0zO5BA"},"schema":"pubphys.envelope/1"},"record_hash":"6676ebb8ae9967cf0bd809e5691250afdfe45b670cf3dafe4fffa9bdff8cdab2","leaf_index":119}