{"title":"Retired? Become a sub","authors":"Steven L. Garrett","doi":"10.1063/pt.3.5370","DOIUrl":"https://doi.org/10.1063/pt.3.5370","url":null,"abstract":"","PeriodicalId":54615,"journal":{"name":"Physics Today","volume":"47 15","pages":""},"PeriodicalIF":3.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139126982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}
The US faces a world with a large and growing number of drones and cruise missiles. For tactical defense, military leaders are beginning to adopt a new generation of weapons.
{"title":"The new laser weapons","authors":"Thomas Karr, James Trebes","doi":"10.1063/pt.3.5380","DOIUrl":"https://doi.org/10.1063/pt.3.5380","url":null,"abstract":"The US faces a world with a large and growing number of drones and cruise missiles. For tactical defense, military leaders are beginning to adopt a new generation of weapons.","PeriodicalId":54615,"journal":{"name":"Physics Today","volume":"103 7","pages":""},"PeriodicalIF":3.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139126092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}
Educators are creating new smartphone apps and designing new experiments for them.
教育工作者正在开发新的智能手机应用程序，并为其设计新的实验。
{"title":"Teaching physics with phones: A game changer?","authors":"David Kramer","doi":"10.1063/pt.3.5378","DOIUrl":"https://doi.org/10.1063/pt.3.5378","url":null,"abstract":"Educators are creating new smartphone apps and designing new experiments for them.","PeriodicalId":54615,"journal":{"name":"Physics Today","volume":"139 32","pages":""},"PeriodicalIF":3.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139128379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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":"CO2 pipelines: A way forward?","authors":"Stephen Schiff","doi":"10.1063/pt.3.5371","DOIUrl":"https://doi.org/10.1063/pt.3.5371","url":null,"abstract":"","PeriodicalId":54615,"journal":{"name":"Physics Today","volume":"56 47","pages":""},"PeriodicalIF":3.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139125467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}
A delay in seismic-wave arrival times reveals the presence of an additional layer in the planet’s interior.
地震波到达时间的延迟揭示了行星内部存在一个附加层。
{"title":"Uncovering the molten mantle of Mars","authors":"Jennifer Sieben","doi":"10.1063/pt.3.5375","DOIUrl":"https://doi.org/10.1063/pt.3.5375","url":null,"abstract":"A delay in seismic-wave arrival times reveals the presence of an additional layer in the planet’s interior.","PeriodicalId":54615,"journal":{"name":"Physics Today","volume":"34 7","pages":""},"PeriodicalIF":3.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139126878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}
Researchers at the gravitational-wave observatory were already using nonclassical states of light to boost their measurement precision. Now they’ve unveiled a still-subtler trick.
引力波天文台的研究人员已经利用光的非经典状态来提高测量精度。现在，他们又发现了一个更微妙的窍门。
{"title":"Frequency-dependent squeezing makes LIGO even more sensitive","authors":"Johanna L. Miller","doi":"10.1063/pt.3.5374","DOIUrl":"https://doi.org/10.1063/pt.3.5374","url":null,"abstract":"Researchers at the gravitational-wave observatory were already using nonclassical states of light to boost their measurement precision. Now they’ve unveiled a still-subtler trick.","PeriodicalId":54615,"journal":{"name":"Physics Today","volume":"115 12","pages":""},"PeriodicalIF":3.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139126173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}
Contrary to popular belief, the birds don’t have shock absorbers in their heads.
与人们的想法相反，鸟类的头部并没有减震器。
{"title":"Why woodpeckers don’t get concussions","authors":"Sam Van Wassenbergh, Maja Mielke","doi":"10.1063/pt.3.5385","DOIUrl":"https://doi.org/10.1063/pt.3.5385","url":null,"abstract":"Contrary to popular belief, the birds don’t have shock absorbers in their heads.","PeriodicalId":54615,"journal":{"name":"Physics Today","volume":"45 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139126527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}
The students share their academic and personal experiences and impressions.
学生们分享他们的学习和个人经历及感想。
{"title":"Join four African students for their MIT journeys","authors":"Toni Feder","doi":"10.1063/pt.3.5377","DOIUrl":"https://doi.org/10.1063/pt.3.5377","url":null,"abstract":"The students share their academic and personal experiences and impressions.","PeriodicalId":54615,"journal":{"name":"Physics Today","volume":"54 16","pages":""},"PeriodicalIF":3.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139127994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}
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