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Sun’s magnetic field may have a surprisingly shallow origin 太阳磁场的起源可能出人意料地浅薄
IF 0.6 4区 物理与天体物理
Physics World Pub Date : 2024-07-31 DOI: 10.1088/2058-7058/37/08/02
Isabelle Dumé
{"title":"Sun’s magnetic field may have a surprisingly shallow origin","authors":"Isabelle Dumé","doi":"10.1088/2058-7058/37/08/02","DOIUrl":"https://doi.org/10.1088/2058-7058/37/08/02","url":null,"abstract":"A new mathematical model indicates that the Sun’s magnetic field originates just 32,000 km below its surface, contradicting previous theories that point to much deeper origins.","PeriodicalId":54613,"journal":{"name":"Physics World","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142221650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Radiocarbon dating narrows age estimate of Kyrenia shipwreck 放射性碳测年缩小了凯里尼亚沉船的年龄估计范围
IF 0.6 4区 物理与天体物理
Physics World Pub Date : 2024-07-31 DOI: 10.1088/2058-7058/37/08/07
Sam Jarman
{"title":"Radiocarbon dating narrows age estimate of Kyrenia shipwreck","authors":"Sam Jarman","doi":"10.1088/2058-7058/37/08/07","DOIUrl":"https://doi.org/10.1088/2058-7058/37/08/07","url":null,"abstract":"Tighter constraints have been placed on the age of an ancient Greek merchant ship, known as the Kyrenia shipwreck.","PeriodicalId":54613,"journal":{"name":"Physics World","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142221672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Physicist Martin Freer chosen to run UK’s Faraday Institution 物理学家马丁-弗雷尔当选英国法拉第研究所所长
IF 0.6 4区 物理与天体物理
Physics World Pub Date : 2024-07-31 DOI: 10.1088/2058-7058/37/08/10
Michael Banks
{"title":"Physicist Martin Freer chosen to run UK’s Faraday Institution","authors":"Michael Banks","doi":"10.1088/2058-7058/37/08/10","DOIUrl":"https://doi.org/10.1088/2058-7058/37/08/10","url":null,"abstract":"The nuclear physicist Martin Freer is to be the next chief executive of the Faraday Institution – the UK’s independent institute for electrochemical energy-storage research.","PeriodicalId":54613,"journal":{"name":"Physics World","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142221674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Birds save up to 25% of their energy when they follow a leader 鸟类在跟随领导者时可节省多达 25% 的能量
IF 0.6 4区 物理与天体物理
Physics World Pub Date : 2024-07-31 DOI: 10.1088/2058-7058/37/08/05
Margaret Harris
{"title":"Birds save up to 25% of their energy when they follow a leader","authors":"Margaret Harris","doi":"10.1088/2058-7058/37/08/05","DOIUrl":"https://doi.org/10.1088/2058-7058/37/08/05","url":null,"abstract":"Birds use significantly less energy when they fly behind a leader, say researchers in the US.","PeriodicalId":54613,"journal":{"name":"Physics World","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142221653","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
NASA cancels $450m VIPER lunar prospector 美国国家航空航天局取消价值 4.5 亿美元的 VIPER 月球探测器
IF 0.6 4区 物理与天体物理
Physics World Pub Date : 2024-07-31 DOI: 10.1088/2058-7058/37/08/09
Michael Banks
{"title":"NASA cancels $450m VIPER lunar prospector","authors":"Michael Banks","doi":"10.1088/2058-7058/37/08/09","DOIUrl":"https://doi.org/10.1088/2058-7058/37/08/09","url":null,"abstract":"NASA has cancelled the Volatiles Investigating Polar Exploration Rover (VIPER) project, a major lunar mission, despite spending almost half a billion dollars on it.","PeriodicalId":54613,"journal":{"name":"Physics World","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142227300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ITER hit by new decade-long delay 国际热核聚变实验堆再次出现长达十年的延误
IF 0.6 4区 物理与天体物理
Physics World Pub Date : 2024-07-31 DOI: 10.1088/2058-7058/37/08/08
Michael Banks
{"title":"ITER hit by new decade-long delay","authors":"Michael Banks","doi":"10.1088/2058-7058/37/08/08","DOIUrl":"https://doi.org/10.1088/2058-7058/37/08/08","url":null,"abstract":"The ITER fusion reactor will now cost €5bn more and not reach full operation with deuterium and tritium until 2039, as Michael Banks explains.","PeriodicalId":54613,"journal":{"name":"Physics World","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142221673","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Scientists uncover hidden properties of rare-earth element promethium 科学家发现稀土元素钷的隐藏特性
IF 0.6 4区 物理与天体物理
Physics World Pub Date : 2024-07-31 DOI: 10.1088/2058-7058/37/08/06
Sam Jarman
{"title":"Scientists uncover hidden properties of rare-earth element promethium","authors":"Sam Jarman","doi":"10.1088/2058-7058/37/08/06","DOIUrl":"https://doi.org/10.1088/2058-7058/37/08/06","url":null,"abstract":"Researchers have, for the first time, experimentally examined the chemistry of the lanthanide element promethium.","PeriodicalId":54613,"journal":{"name":"Physics World","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142221671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Speed of sound taken in a ‘quark soup’ 在 "夸克汤 "中测量音速
IF 0.6 4区 物理与天体物理
Physics World Pub Date : 2024-07-31 DOI: 10.1088/2058-7058/37/08/01
Tim Wogan
{"title":"Speed of sound taken in a ‘quark soup’","authors":"Tim Wogan","doi":"10.1088/2058-7058/37/08/01","DOIUrl":"https://doi.org/10.1088/2058-7058/37/08/01","url":null,"abstract":"A measurement of the speed of sound in a quark-gluon plasma at CERN’s Large Hadron Collider could provide insights into neutron stars, as Tim Wogan reports.","PeriodicalId":54613,"journal":{"name":"Physics World","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142221649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Shapeshifting organism uses ‘cellular origami’ to extend body 变形生物利用 "细胞折纸 "扩展身体
IF 0.6 4区 物理与天体物理
Physics World Pub Date : 2024-07-31 DOI: 10.1088/2058-7058/37/08/03
Sam Jarman
{"title":"Shapeshifting organism uses ‘cellular origami’ to extend body","authors":"Sam Jarman","doi":"10.1088/2058-7058/37/08/03","DOIUrl":"https://doi.org/10.1088/2058-7058/37/08/03","url":null,"abstract":"Intricate folding and unfolding of “cellular origami” in the membrane of a single-celled protist enable the organism to reversibly extend to over 30 times its own body length.","PeriodicalId":54613,"journal":{"name":"Physics World","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142221651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Liquid crystals generate entangled photon pairs 液晶产生纠缠光子对
IF 0.6 4区 物理与天体物理
Physics World Pub Date : 2024-07-31 DOI: 10.1088/2058-7058/37/08/04
Tim Wogan
{"title":"Liquid crystals generate entangled photon pairs","authors":"Tim Wogan","doi":"10.1088/2058-7058/37/08/04","DOIUrl":"https://doi.org/10.1088/2058-7058/37/08/04","url":null,"abstract":"Researchers in Germany and Slovenia have found a new, more adaptable way of generating entangled photons, which relies on liquid crystals rather than solid ones.","PeriodicalId":54613,"journal":{"name":"Physics World","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142221652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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