{"684824":{"#nid":"684824","#data":{"type":"external_news","title":"Best-Yet Measurement of Merging Black Holes Confirms Einstein, Hawking and the \u2018No Hair\u2019 Theorem","body":[{"value":"\u003Cp\u003EResearchers previously tried to test these predictions with gravitational waves, but the comparatively weaker signals left a lot of uncertainty in the conclusions. The new tests offer a much greater level of confidence, says theoretical physicist Feryal \u00d6zel of the Georgia Institute of Technology, who was not involved in the research. \u201cIf we found any evidence of violation of either the area theorem or of the Kerr solution, then one or both of the assumptions would have to be changed,\u201d she says. \u201cIn other words, either general relativity would need to be modified, or the objects are not black holes.\u201d\u003C\/p\u003E","summary":"","format":"limited_html"}],"field_subtitle":"","field_summary":[{"value":"\u003Cp\u003EResearchers previously tried to test these predictions with gravitational waves, but the comparatively weaker signals left a lot of uncertainty in the conclusions. The new tests offer a much greater level of confidence, says theoretical physicist Feryal \u00d6zel of the Georgia Institute of Technology, who was not involved in the research. \u201cIf we found any evidence of violation of either the area theorem or of the Kerr solution, then one or both of the assumptions would have to be changed,\u201d she says. \u201cIn other words, either general relativity would need to be modified, or the objects are not black holes.\u201d\u003C\/p\u003E","format":"limited_html"}],"field_summary_sentence":"","uid":"36757","created_gmt":"2025-09-12 19:32:15","changed_gmt":"2025-09-12 19:32:15","author":"ychernet3","boilerplate_text":"","field_publication":"","publication":"Scientific American","field_article_url":"","publication_url":"https:\/\/www.scientificamerican.com\/article\/best-yet-measurement-of-merging-black-holes-confirms-einstein-hawking-and\/","dateline":{"date":"2025-09-10T00:00:00-04:00","iso_date":"2025-09-10T00:00:00-04:00","tz":"America\/New_York"},"extras":[],"groups":[{"id":"1188","name":"Research Horizons"},{"id":"660370","name":"Space"}],"categories":[],"keywords":[],"core_research_areas":[],"news_room_topics":[],"event_categories":[],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}