{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"5df032293356dd4bd86a2c00c5818d4e282c110b799ed4a76454c4024d43bf48","created":"2026-10-03T07:17:51Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"a54dc639c9b827f2ae2c5d7b49f1b3cc7ce4e17978a981a3da8b22eba603b1ac","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"fluid.cavitation","field":"fluid","n":"1","review_cite":"Michael P. Brenner, Sascha Hilgenfeldt, Detlef Lohse, Single-bubble sonoluminescence, Reviews of Modern Physics, 2002","review_link":"https://doi.org/10.1103/RevModPhys.74.425","review_verified":"true","summary":"When a liquid is pulled apart hard enough it tears open into vapor bubbles, and when those bubbles collapse they can become hot enough to give off flashes of light. The questions are when the tearing starts, and what happens inside a collapsing bubble.","title":"Cavitation, bubble collapse and sonoluminescence","topic_ref":null,"why":"Cavitation erodes propellers, pumps and heart valves, and bubble collapse focuses sound energy by about twelve orders of magnitude, giving a laboratory system with extreme temperatures and pressures."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"ce084ca85ea118983bae60657d686bf2b3a2063cc2bba0a728c0b347e11c1da4","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"fa630ce7a2b3f7ca1c5a93d704cd4d80559d6bd1266b02fea3ebd785714dc9d4","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"cBTDdAAttra0aroAih_ZPUg_3usazGKvCiEV6W5eJORpMPfGMd7AtyBMpqFeCsZTkPKvOOIpuXbcmXWeJWHTDQ"},"schema":"pubphys.envelope/1"},"record_hash":"ce084ca85ea118983bae60657d686bf2b3a2063cc2bba0a728c0b347e11c1da4","leaf_index":213}