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Physics - Precise Measurement of Hydrogen s Energy Levels

Researchers have measured the transition energy of several highly excited states, which could help resolve a discrepancy about the size of the proton.

United statesPoitou charentesSimon scheideggerGregory adkinsUlrichd jentschuraColorado state universityUniversity of munichPrecise measurement of hydrogen energy levelsDresden university of technologyMissouri university of scienceAmerican physical societyLaboratory for atomicDepartment of physicsMarshall collegeSwiss federal institute of technologyOptical research

URI physics faculty to assist with new space observatory

KINGSTON — The European Space Agency has given the go-ahead to the 2035 launch of a powerful space-based observatory with the ability to detect gravitational waves caused by violent astrophysical

United statesUniversity of massachusettsScott fieldRitesh bachharMichael puerrerLen kahnRob coyneVijay varmaDoug gobeilleAlbert einsteinGaurav khannaQuasar groupGravity research consortiumEuropean space agencyComputational researchNational science foundation laser interferometer observatory

From Russia with nukes? Sifting facts from speculation about space weapon threat

"Nuclear weapons in space are a really, really dumb idea," said Jessica West of Canadian non-profit Ploughshares, but experts note that with Russia, nothing can ever be fully ruled out. By THERESA HITCHENSon February 15, 2024 https://breakingdefense.com/2024/02/russia-nuclear-weapon-space-mike-turner-threat-white-house/ WASHINGTON In the 24 hours since a cryptic, but scary, warning from Ohio Rep. Mike Turner, the chair of the…

United kingdomUnited statesWhite houseDistrict of columbiaSankt peterburgNew yorkTodd harrisonHenry sokolskiMike turnerChristina macphersonJoe bidenJohn kirbyAmerican enterprise instituteHouse intelligence committeeRussia space agency roscosmosWorld foundation brian weeden

Diamond quantum memory with Germanium vacancy exceeds coherence time of 20 ms

Diamond quantum memory with Germanium vacancy exceeds coherence time of 20 ms
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United statesKatharina senkallaSciencex networkPrecision in quantum network operationsUlm universityAmazon web servicesAmerican physical societyResearchers at ulm universityQuantum network operationsPhysical review letterspaperDilution refrigeratorGermanium vacancyDiamond quantum memory exceedingAmerican physical

From Russia with nukes? Sifting facts from speculation about space weapon threat

"Nuclear weapons in space are a really, really dumb idea," said Jessica West of Canadian non-profit Ploughshares, but experts note that with Russia, nothing can ever be fully ruled out.

United statesNew yorkWhite houseDistrict of columbiaJohnston atollUnited kingdomSankt peterburgHenry sokolskiJoe bidenTodd harrisonMike turnerJohn kirbyHouse intelligence committeeMinistry of defenseNuclear weapons in spaceDefense threat reduction agency