Pub Date : 2024-07-31DOI: 10.1088/2058-7058/37/08/02
Isabelle Dumé
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.
{"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":"8 1","pages":""},"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}
Pub Date : 2024-07-31DOI: 10.1088/2058-7058/37/08/07
Sam Jarman
Tighter constraints have been placed on the age of an ancient Greek merchant ship, known as the Kyrenia shipwreck.
对一艘被称为凯里尼亚沉船的古希腊商船的船龄进行了更严格的限制。
{"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":"5 1","pages":""},"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}
Pub Date : 2024-07-31DOI: 10.1088/2058-7058/37/08/10
Michael Banks
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.
{"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":"65 1","pages":""},"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}
Pub Date : 2024-07-31DOI: 10.1088/2058-7058/37/08/05
Margaret Harris
Birds use significantly less energy when they fly behind a leader, say researchers in the US.
美国的研究人员说,鸟类跟在领头人后面飞行时,消耗的能量要少得多。
{"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":"9 1","pages":""},"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}
{"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":"2 1","pages":""},"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}
Pub Date : 2024-07-31DOI: 10.1088/2058-7058/37/08/09
Michael Banks
NASA has cancelled the Volatiles Investigating Polar Exploration Rover (VIPER) project, a major lunar mission, despite spending almost half a billion dollars on it.
{"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":"2 1","pages":""},"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}
Pub Date : 2024-07-31DOI: 10.1088/2058-7058/37/08/06
Sam Jarman
Researchers have, for the first time, experimentally examined the chemistry of the lanthanide element promethium.
研究人员首次通过实验研究了镧系元素钷的化学性质。
{"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":"20 1","pages":""},"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}
Pub Date : 2024-07-31DOI: 10.1088/2058-7058/37/08/01
Tim Wogan
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.
{"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":"30 1","pages":""},"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}
Pub Date : 2024-07-31DOI: 10.1088/2058-7058/37/08/03
Sam Jarman
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.
{"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":"8 1","pages":""},"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}
Pub Date : 2024-07-31DOI: 10.1088/2058-7058/37/08/04
Tim Wogan
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.
{"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":"285 1","pages":""},"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}