{"$schema": "https://iptc.org/std/ninjs/ninjs-schema_3.2.json", "uri": "urn:newsml:wireva.mib.news:story:798d3824-f8c6-4934-bb0e-1acc3d058ea4", "type": "composite", "version": "1", "versioncreated": "2026-09-11T09:01:23.145242Z", "firstcreated": "2026-09-11T09:01:23.145242Z", "pubstatus": "usable", "language": "en", "headline": "Unequal Forces Between Particles Sustain Collective Motion, Study Finds", "description_text": "Researchers at Tokyo University of Science discover that non-reciprocal interactions between differently sized colloidal particles prevent aggregation and keep the system in a state of continuous reorganization, offering a new design principle for active materials.", "associations": {"item-0": {"$schema": "https://iptc.org/std/ninjs/ninjs-schema_3.2.json", "uri": "urn:newsml:wireva.mib.news:item:ef19a7a9-70c0-4b7f-82f4-dcb1f4c6e224", "type": "text", "profile": "standard", "version": "1", "versioncreated": "2026-09-11T09:02:17.604305Z", "firstcreated": "2026-09-11T09:01:23.145242Z", "pubstatus": "usable", "urgency": 5, "language": "en", "headline": "Unequal Forces Between Particles Sustain Collective Motion, Study Finds", "byline": "Kelsey Sawyer", "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 at Tokyo University of Science discover that non-reciprocal interactions between differently sized colloidal particles prevent aggregation and keep the system in a state of continuous reorganization, offering a new design principle for active materials.", "altids": {"mosaic": "ef19a7a9-70c0-4b7f-82f4-dcb1f4c6e224", "story": "798d3824-f8c6-4934-bb0e-1acc3d058ea4", "slug": "unequal-forces-between-particles-sustain-collective-motion-study-finds"}, "subject": [{"name": "Arts and culture", "rel": "direct", "literal": "culture", "code": "medtop:01000000", "scheme": "http://cv.iptc.org/newscodes/mediatopic/", "uri": "http://cv.iptc.org/newscodes/mediatopic/01000000"}], "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 at Tokyo University of Science discover that non-reciprocal interactions between differently sized colloidal particles prevent aggregation and keep the system in a state of continuous reorganization, offering a new design principle for active materials.", "extra_body_note": "Extract only — see rights.class = link_only.", "associations": {"featuremedia": {"uri": "urn:newsml:wireva.mib.news:media:208a2ebd-bbf9-4034-9857-0e390536adf1", "type": "picture", "version": "1", "pubstatus": "usable", "headline": "Non-reciprocal interactions keep particles in collective motion", "description_text": "Unequal Forces Between Particles Sustain Collective Motion, Study Finds", "copyrightholder": "en.wikipedia.org", "copyrightnotice": "Brownian motion", "usageterms": "File-level licence not yet resolved from Commons; fetch the original for exact terms.", "altids": {"wireva": "208a2ebd-bbf9-4034-9857-0e390536adf1"}, "extra": {"wireva:delivery_mode": "preview_and_link", "wireva:rights": {"licence": "Wikimedia — licence per file", "licence_url": "https://commons.wikimedia.org/wiki/Commons:Reusing_content_outside_Wikimedia", "licence_raw": "Wikipedia page image", "licence_verified_at": "2026-09-11T09:02:17.622803Z", "attribution_required": true, "attribution_text": "Brownian motion", "redistribution_allowed": false, "commercial_use_allowed": false, "modifications_allowed": false, "share_alike_required": false}, "wireva:provenance": {"creator": "", "source_name": "en.wikipedia.org", "source_url": "https://en.wikipedia.org/wiki/Brownian_motion", "source_page_url": "https://en.wikipedia.org/wiki/Brownian_motion", "our_page_url": "https://scienceofficial.org/discoveries/unequal-forces-between-particles-sustain-collective-motion-study-finds/"}, "wireva:role": "lead"}, "renditions": {"preview": {"href": "https://nbg1.your-objectstorage.com/ckln/image-assets/e22b6222756a75330f6d9ea175c8c007cadf09f07e17a307b4e14ee931adca79.jpg", "mimetype": "image/jpeg", "width": 606, "height": 442}, "source": {"href": "https://en.wikipedia.org/wiki/Brownian_motion", "mimetype": "image/jpeg"}}}}, "extra": {"wireva:story": {"uri": "urn:newsml:wireva.mib.news:story:798d3824-f8c6-4934-bb0e-1acc3d058ea4", "slug": "unequal-forces-between-particles-sustain-collective-motion-study-finds-20260911", "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/discoveries/unequal-forces-between-particles-sustain-collective-motion-study-finds/", "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": 1, "official_source_used": false, "used_press_release": false, "public_interest": false, "ai_disclosure_required": false, "ai_disclosure_text": "", "independence_check": {"status": "failed", "score": 0.806, "checked_at": "2026-09-11T09:02:17.619138Z"}, "sources": [{"url": "https://physicsworld.com/a/non-reciprocal-interactions-keep-particles-in-collective-motion/", "title": "Non-reciprocal interactions keep particles in collective motion", "publisher": "physicsworld.com", "type": "rss", "role": "primary", "official": false, "retrieved_at": "2026-09-11T09:02:17.608199Z", "published_at": "2026-09-11T08:00:03Z"}, {"url": "https://www.science.org/content/article/physicists-detect-tiny-atomic-collisions-give-gas-its-pressure", "title": "", "publisher": "science.org", "type": "rss", "role": "supporting", "official": false, "retrieved_at": "2026-09-11T09:02:17.609920Z", "published_at": null}]}, "wireva:publication": {"name": "Science Official", "domain": "scienceofficial.org", "country": "US", "url": "https://scienceofficial.org/discoveries/unequal-forces-between-particles-sustain-collective-motion-study-finds/"}, "wireva:links": {"self": "https://wireva.mib.news/api/v1/items/ef19a7a9-70c0-4b7f-82f4-dcb1f4c6e224", "html": "https://wireva.mib.news/item/ef19a7a9-70c0-4b7f-82f4-dcb1f4c6e224/unequal-forces-between-particles-sustain-collective-motion-study-finds/", "story": "https://wireva.mib.news/story/unequal-forces-between-particles-sustain-collective-motion-study-finds-20260911/"}, "wireva:metrics": {"word_count": 612, "char_count": 4397, "reading_time_seconds": 314}}}}, "extra": {"wireva:languages": ["en"], "wireva:status": "developing", "wireva:item_count": 1}}