The speed,capacity,and strength of artificial intelligence units(AIs)could pose a selfinflicted danger to humanity’s control of its own civilization.In this analysis,three biologically-based components of sentience t...The speed,capacity,and strength of artificial intelligence units(AIs)could pose a selfinflicted danger to humanity’s control of its own civilization.In this analysis,three biologically-based components of sentience that emerged in the course of human evolution are examined:cultural capacity,moral capacity,and religious capacity.The question is posed as to whether some measure of these capacities can be digitized and installed in AIs and so afford protection from their dominance.Theory on the emergence of moral capacity suggests it is most likely to be amenable to digitization and therefore installation in AIs.If so,transfer of that capacity,in creating commonalities between human and AI,may help to protect humanity from being destroyed.We hypothesize that religious thinking and culturally elaborated theological creativity could,in not being easily transferred,afford even more protection by constructing impenetrable barriers between humans and AIs,along real/counterfactual lines.Difficulties in digitizing and installing the three capacities at the foundation of sentience are examined within current discussions of“superalignment”of superintelligent AIs.Human values articulate differently for the three capacities,with different problems and capacities for supervision of superintelligent AIs.展开更多
A new kind of laminar metal matrix nanocomposite（MMC） was fabricated by an electrodeposition process with copper and superaligned carbon nanotubes film（SACNT film）.The SACNT film was put on a titanium plate and th...A new kind of laminar metal matrix nanocomposite（MMC） was fabricated by an electrodeposition process with copper and superaligned carbon nanotubes film（SACNT film）.The SACNT film was put on a titanium plate and then a layer of copper was electrodeposited on it.By repeating the above process,the laminar Cu/SACNT composite which contains dozens or hundreds of layers of copper and SACNT films was obtained.The thickness of a single copper layer was controlled by adjusting the process parameter easily and the thinnest layer is less than 2 μm.The microscopic observation shows that the directional alignment structure of SACNT is retained in the composite perfectly.The mechanical and electrical properties testing results show that the tensile and yield strengths of composites are improved obviously compared with those of pure copper,and the high conductivity is retained.This technology is a potential method to make applicable MMC which characterizes high volume fraction and directional alignment of carbon nanotubes.展开更多
[目的]在高度取向碳纳米管(SA-CNTs)薄膜表面均匀地镀上一层铜可以提高其电磁屏蔽性能,为其在柔性电路板、高速微处理器、雷达反射装置、移动通信设备等方面的应用奠定基础。[方法]首先对SA-CNTs薄膜表面进行碱性除油,然后采用多巴胺预...[目的]在高度取向碳纳米管(SA-CNTs)薄膜表面均匀地镀上一层铜可以提高其电磁屏蔽性能,为其在柔性电路板、高速微处理器、雷达反射装置、移动通信设备等方面的应用奠定基础。[方法]首先对SA-CNTs薄膜表面进行碱性除油,然后采用多巴胺预活化,在SA-CNTs薄膜上形成一层聚多巴胺层,为后续AgNO3活化提供更多的活化基点,并且由于聚多巴胺的还原性,AgNO3能够在SA-CNTs薄膜上直接形成纳米银微粒,有助于化学镀铜时快速起镀,最终在SA-CNTs薄膜表面获得均匀、致密的金属铜层。采用扫描电子显微镜(SEM)、能谱仪(EDS)和接触角测量仪研究了多巴胺预活化对化学镀铜的影响。通过正交试验优化了化学镀铜工艺,分析了较优工艺条件下所得Cu镀覆SA-CNTs薄膜的表面形貌、相结构和电磁屏蔽性能。[结果]经多巴胺预活化的SA-CNTs薄膜表面可有效快速地进行化学镀铜反应,施镀过程中镀液性能稳定,所得Cu镀层结合力良好,在4~18 GHz频段的平均电磁屏蔽效能达到103.07 d B。[结论]多巴胺预活化有利于促进SA-CNTs薄膜表面化学镀铜,提高薄膜的电磁屏蔽性能,值得在柔性电路板制作方面推广应用。展开更多
With the support by the National Natural Science Foundation of China,the research team led by Professor Li Yigang(李毅刚)at Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine and Professor ...With the support by the National Natural Science Foundation of China,the research team led by Professor Li Yigang(李毅刚)at Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine and Professor Peng Huisheng(彭慧胜)at Fudan University presented a new type of展开更多
文摘The speed,capacity,and strength of artificial intelligence units(AIs)could pose a selfinflicted danger to humanity’s control of its own civilization.In this analysis,three biologically-based components of sentience that emerged in the course of human evolution are examined:cultural capacity,moral capacity,and religious capacity.The question is posed as to whether some measure of these capacities can be digitized and installed in AIs and so afford protection from their dominance.Theory on the emergence of moral capacity suggests it is most likely to be amenable to digitization and therefore installation in AIs.If so,transfer of that capacity,in creating commonalities between human and AI,may help to protect humanity from being destroyed.We hypothesize that religious thinking and culturally elaborated theological creativity could,in not being easily transferred,afford even more protection by constructing impenetrable barriers between humans and AIs,along real/counterfactual lines.Difficulties in digitizing and installing the three capacities at the foundation of sentience are examined within current discussions of“superalignment”of superintelligent AIs.Human values articulate differently for the three capacities,with different problems and capacities for supervision of superintelligent AIs.
基金Project(20111080980)supported by the Initiative Scientific Research Program,Tsinghua University,China
文摘A new kind of laminar metal matrix nanocomposite（MMC） was fabricated by an electrodeposition process with copper and superaligned carbon nanotubes film（SACNT film）.The SACNT film was put on a titanium plate and then a layer of copper was electrodeposited on it.By repeating the above process,the laminar Cu/SACNT composite which contains dozens or hundreds of layers of copper and SACNT films was obtained.The thickness of a single copper layer was controlled by adjusting the process parameter easily and the thinnest layer is less than 2 μm.The microscopic observation shows that the directional alignment structure of SACNT is retained in the composite perfectly.The mechanical and electrical properties testing results show that the tensile and yield strengths of composites are improved obviously compared with those of pure copper,and the high conductivity is retained.This technology is a potential method to make applicable MMC which characterizes high volume fraction and directional alignment of carbon nanotubes.
文摘[目的]在高度取向碳纳米管(SA-CNTs)薄膜表面均匀地镀上一层铜可以提高其电磁屏蔽性能,为其在柔性电路板、高速微处理器、雷达反射装置、移动通信设备等方面的应用奠定基础。[方法]首先对SA-CNTs薄膜表面进行碱性除油,然后采用多巴胺预活化,在SA-CNTs薄膜上形成一层聚多巴胺层,为后续AgNO3活化提供更多的活化基点,并且由于聚多巴胺的还原性,AgNO3能够在SA-CNTs薄膜上直接形成纳米银微粒,有助于化学镀铜时快速起镀,最终在SA-CNTs薄膜表面获得均匀、致密的金属铜层。采用扫描电子显微镜(SEM)、能谱仪(EDS)和接触角测量仪研究了多巴胺预活化对化学镀铜的影响。通过正交试验优化了化学镀铜工艺,分析了较优工艺条件下所得Cu镀覆SA-CNTs薄膜的表面形貌、相结构和电磁屏蔽性能。[结果]经多巴胺预活化的SA-CNTs薄膜表面可有效快速地进行化学镀铜反应,施镀过程中镀液性能稳定,所得Cu镀层结合力良好,在4~18 GHz频段的平均电磁屏蔽效能达到103.07 d B。[结论]多巴胺预活化有利于促进SA-CNTs薄膜表面化学镀铜,提高薄膜的电磁屏蔽性能,值得在柔性电路板制作方面推广应用。
文摘With the support by the National Natural Science Foundation of China,the research team led by Professor Li Yigang(李毅刚)at Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine and Professor Peng Huisheng(彭慧胜)at Fudan University presented a new type of
