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1 day ago · 2017 – Principle of equivalence tested to 10-9 for atoms in a coherent state of superposition. 2017 – Scientists begin using gravitational-wave sources as "standard sirens" to measure the Hubble constant, finding its value to be broadly in line with the best estimates of the time.
7 hours ago · Abdirahman Omar Osman, 53, Somali politician, Minister of Commerce and Industry (2015–2017) and Mayor of Mogadishu (since 2018), bombing. Marjan Pečar, 78, Slovenian Olympic ski jumper. D. A. Pennebaker, 94, American documentary filmmaker (Dont Look Back, Monterey Pop, Ziggy Stardust and the Spiders from Mars).
