{"$schema": "https://iptc.org/std/ninjs/ninjs-schema_3.2.json", "uri": "urn:newsml:wireva.mib.news:item:42416da2-495b-450c-9c90-c54960ad8956", "type": "text", "profile": "standard", "version": "1", "versioncreated": "2026-09-01T09:03:34.628823Z", "firstcreated": "2026-09-01T09:02:35.821103Z", "pubstatus": "usable", "urgency": 5, "language": "en", "headline": "Sliding water droplets can corrode Teflon-coated metal, researchers find", "byline": "Logan Weston", "located": "United States", "copyrightholder": "Haydamax OÜ", "copyrightnotice": "Wireva / Science Official", "usageterms": "Monitoring item. Headline, short extract and the source link may be shown. Do not republish the full text.", "description_text": "Researchers in Germany have shown that water droplets sliding across insulating surfaces can acquire electric potentials exceeding 1 kV, and that discharging onto Teflon-coated copper corrodes both the coating and the underlying metal. The finding challenges conventional assumptions about corrosion mechanisms and may have implications for outdoor equipment and cultural heritage sites.", "altids": {"mosaic": "42416da2-495b-450c-9c90-c54960ad8956", "story": "a47de0bf-b2fe-413e-942e-c46cf4605a81", "slug": "sliding-water-droplets-can-corrode-teflon-coated-metal-researchers-find"}, "subject": [{"name": "Science", "rel": "direct", "literal": "science", "code": "medtop:13000000", "scheme": "http://cv.iptc.org/newscodes/mediatopic/", "uri": "http://cv.iptc.org/newscodes/mediatopic/13000000"}], "place": [{"name": "United States", "literal": "us", "code": "US", "scheme": "http://cv.iptc.org/newscodes/countrycodes/"}], "person": [], "organisation": [], "genre": [{"name": "Standard story", "literal": "standard"}], "service": [{"name": "Wireva", "literal": "wireva"}], "body_text": "Researchers in Germany have shown that water droplets sliding across insulating surfaces can acquire electric potentials exceeding 1 kV, and that discharging onto Teflon-coated copper corrodes both the coating and the underlying metal. The finding challenges conventional assumpti", "extra_body_note": "Extract only — see rights.class = link_only.", "associations": {"featuremedia": {"uri": "urn:newsml:wireva.mib.news:media:76871042-5e16-4cf3-859f-1dc7e124dbd5", "type": "picture", "version": "1", "pubstatus": "usable", "headline": "Sliding water droplets corrode Teflon-coated metal", "description_text": "Sliding water droplets can corrode Teflon-coated metal, researchers find", "copyrightholder": "commons.wikimedia.org", "copyrightnotice": "akshatsgi", "usageterms": "Open licence: the credit line must travel with the file.", "altids": {"wireva": "76871042-5e16-4cf3-859f-1dc7e124dbd5"}, "extra": {"wireva:delivery_mode": "file", "wireva:rights": {"licence": "CC BY-SA 4.0", "licence_url": "https://creativecommons.org/licenses/by-sa/4.0/", "licence_raw": "CC BY-SA 4.0", "licence_verified_at": "2026-09-01T09:03:34.646338Z", "attribution_required": true, "attribution_text": "akshatsgi", "redistribution_allowed": true, "commercial_use_allowed": true, "modifications_allowed": true, "share_alike_required": true}, "wireva:provenance": {"creator": "", "source_name": "commons.wikimedia.org", "source_url": "https://commons.wikimedia.org/wiki/File:Water_droplets_on_steel_surface_(2016).jpg", "source_page_url": "https://commons.wikimedia.org/wiki/File:Water_droplets_on_steel_surface_(2016).jpg", "our_page_url": "https://scienceofficial.org/science/sliding-water-droplets-can-corrode-teflon-coated-metal-researchers-find/"}, "wireva:role": "lead"}, "renditions": {"original": {"href": "https://nbg1.your-objectstorage.com/ckln/image-assets/7c468c384b1d55809d7a2c6e1fa738245f3c950ffb39749fd9e93c0a86086d9a.jpg", "mimetype": "image/jpeg", "width": 1400, "height": 788, "sizeinbytes": 402893}, "source": {"href": "https://commons.wikimedia.org/wiki/File:Water_droplets_on_steel_surface_(2016).jpg", "mimetype": "image/jpeg"}}}}, "extra": {"wireva:story": {"uri": "urn:newsml:wireva.mib.news:story:a47de0bf-b2fe-413e-942e-c46cf4605a81", "slug": "sliding-water-droplets-can-corrode-teflon-coated-metal-researchers-find-20260901", "status": "developing", "languages": ["en"], "item_count": 1, "is_breaking": false}, "wireva:rights": {"class": "link_only", "redistribution_allowed": false, "commercial_use_allowed": false, "modifications_allowed": true, "share_alike_required": false, "attribution_required": true, "attribution_text": "Wireva / Science Official", "canonical_required": true, "canonical_url": "https://scienceofficial.org/science/sliding-water-droplets-can-corrode-teflon-coated-metal-researchers-find/", "linkback_required": true, "licence": "", "licence_url": "", "licensor": "Haydamax OÜ", "valid_until": null, "excerpt_max_chars": 280, "decided_by_rule": "derivation_failed", "needs_review": true}, "wireva:provenance": {"production_method": "automated", "ai_stages": {"editing": true, "drafting": true, "headline": true, "discovery": true, "classification": true, "image_selection": true, "source_collection": true, "cross_source_comparison": true}, "model": "", "human_reviewed": false, "reviewed_by": "", "reviewed_at": null, "editorial_control": true, "editorial_responsibility": "Haydamax OÜ (Wireva)", "factchecked": false, "verification_status": "multi_source", "independent_confirmations": 2, "official_source_used": false, "used_press_release": false, "public_interest": false, "ai_disclosure_required": false, "ai_disclosure_text": "", "independence_check": {"status": "failed", "score": 0.896, "checked_at": "2026-09-01T09:03:34.644044Z"}}, "wireva:publication": {"name": "Science Official", "domain": "scienceofficial.org", "country": "US", "url": "https://scienceofficial.org/science/sliding-water-droplets-can-corrode-teflon-coated-metal-researchers-find/"}, "wireva:links": {"self": "https://wireva.mib.news/api/v1/items/42416da2-495b-450c-9c90-c54960ad8956", "html": "https://wireva.mib.news/item/42416da2-495b-450c-9c90-c54960ad8956/sliding-water-droplets-can-corrode-teflon-coated-metal-researchers-find/", "story": "https://wireva.mib.news/story/sliding-water-droplets-can-corrode-teflon-coated-metal-researchers-find-20260901/"}, "wireva:metrics": {"word_count": 726, "char_count": 4812, "reading_time_seconds": 344}}}