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Light-activated 'CRISPR' enables fast, precise gene editing and detection of DNA repair（图）
Light-activated CRISPR enables fast precise gene editing detection DNA repair
2020/7/3
In a series of experiments co-funded by the National Science Foundation, scientists at Johns Hopkins have used light as a trigger to make quick, precise cuts in the genomic material of ...
Research expedition faces extreme conditions in fast-changing Arctic
Research expedition extreme conditions fast-changing Arctic
2020/4/29
In October 2019, scientists froze a ship filled with equipment into Arctic sea ice with the intention of drifting across the Arctic Ocean for a full year, gathering data on polar atmosphere, ice and o...
Research expedition faces extreme conditions in fast-changing Arctic（图）
Research expedition faces extreme conditions fast-changing Arctic
2020/4/26
In October 2019, scientists froze a ship filled with equipment into Arctic sea ice with the intention of drifting across the Arctic Ocean for a full year, gathering data on polar atmosphere, ic...
我院图形图像与模式识别实验室（IGPR）郭平教授课题组在人工智能与天文学交叉研究领域取得重要进展。在天文学领域，1967年英国天文学家Hewish和他的研究生Bell一起发现了脉冲星， 验证了物理学家30年前预言——宇宙中存在中子星。在此之后的二十多年的时间里，有关脉冲星的研究两获诺贝尔物理学奖。脉冲星为我们提供极端条件下的物理实验室。脉冲星可以作为宇宙中星际介质的探针，可以用于脉冲星计时，还可以...
FAST望远镜发现脉冲双星系统（图）
FAST望远镜 脉冲 双星系统
2020/4/15
近日，中国科学院国家天文台博士研究生王琳、彭勃研究员，联合曼彻斯特大学Benjamin W. Stappers教授等人，利用FAST望远镜对武仙座球状星团（M13）展开脉冲星观测研究，取得阶段性成果。
2020年2月24日至27日，存储领域顶级国际会议18th USENIX Conference on File and Storage Technologies（USENIX文件与存储技术会议，FAST '20）在美国加利福尼亚州圣克拉拉举行。清华大学计算机系汪东升教授团队在大会上发表论文《CRaft: An Erasure-coding-supported Version of Raft for...
Researchers find new reason why Arctic is warming so fast（图）
new reason Arctic warming so fast
2020/2/28
The Arctic has experienced the warming effects of global climate change faster than any other region on the planet. Scientists at the Scripps Institution of Oceanography have developed a new theory ai...
Various polymeric monomers derived from renewable rosin for the modification of fast-growing poplar wood
Wood Resins Physical properties Electron microscopy
2024/3/5
The incorporation of polymers derived from renewable resources is more desirable in the preparation of wood composites due to its sustainability. As biomass feedstock, rosin has been used for the prep...
在新中国成立70周年之际，中宣部新命名了39个全国爱国主义教育示范基地。中国科学院国家天文台FAST观测基地入选。此次命名后，全国爱国主义教育示范基地总数达到473个。500 米口径球面射电望远镜（FAST）位于贵州省黔南州平塘县克度镇大窝凼洼地，是由中国科学院国家天文台主导建设的国家重大科技基础设施，由我国天文学家于1994年提出构想，历时22年落成启用，具有全新的设计思路和得天独厚的台址，是具...
世界最大单口径射电望远镜——500米口径球面射电望远镜（简称FAST）于2016年9月25日落成启用，于2019年2月发布公开项目征集，正式向中国天文学家开放。本次征集共收到包括香港大学在内的21个单位共133个项目申请。2019年4月18日开始，成功获批的项目正式开始执行观测。近日，在使用FAST L波段19波束接收机（每个波束的半功率宽度为2.98角分）对快速射电暴(Fast Radio Bu...
Fast, Compact, and Expressive Attribute-Based Encryption
attribute-based encryption standard assumption non-monotone
2019/8/27
Attribute-based encryption (ABE) is an advanced cryptographic tool and useful to build various types of access control systems. Toward the goal of making ABE more practical, we propose key-policy (KP)...
Blue sharks use ocean eddies as fast-tracks to food（图）
Blue sharks ocean eddies fast-tracks food
2019/10/21
Blue sharks use large, swirling ocean currents known as eddies to fast-track their way to food in the twilight zone -- a layer of the sea between 200 and 1,000 meters deep, according to new research b...
Fast Actively Secure Five-Party Computation with Security Beyond Abort
Secure Multiparty Computation Guaranteed Output Delivery Fairness
2019/7/26
Secure Multi-party Computation (MPC) with small population and honest majority has drawn focus specifically due to customization in techniques and resulting efficiency that the constructions can offer...
A Fast Characterization Method for Optical Fault Injection
Physical attacks Fault injection Fast space characterization
2019/7/26
Semi-invasive fault injection attacks, such as optical fault injection, are powerful techniques well-known by attackers and secure embedded system designers. When performing such attacks, the selectio...
Ultra-fast communication allows aquatic cells to release toxins in unison（图）
Ultra-fast communication aquatic cells release toxins
2019/10/23
Crouching in the boot-sucking mud of the Baylands Nature Preserve in Palo Alto, bioengineer Manu Prakash of Stanford University peered through his Foldscope -- a $1.75 origami microscope of his own in...