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As anyone who has ever unwound a string of holiday lights or detangled a lock of snarled hair knows, undoing a knot of fibers takes a lot longer than tangling it up in the first place.
An AI challenge only humans can solve（图）
人工智能 自动化 算法
2023/6/20
The Dark Ages were not entirely dark. Advances in agriculture and building technology increased Medieval wealth and led to a wave of cathedral construction in Europe. However, it was a time of profoun...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Solve electromagnetic interface problems on unfitted meshes
未拟合 网格 电磁接口
2023/5/4
Electromagnetic interface problems widely appear in a lot of engineering applications, such as electric actuators, invasive detection techniques and integrated circuit，which are typically described by...
A discovery by MIT researchers could finally unlock the door to the design of a new kind of rechargeable lithium battery that is more lightweight, compact, and safe than current versions, and that has...
Lunar samples solve mystery of the moon's supposed magnetic shield
lunar magnetic field magnetization lunar soil
2021/8/9
Tests of glass samples gathered on Apollo missions show magnetization may result from impacts of objects like meteors, not as a result of magnetization from the presence of a magnetic shield.
Scientists have resolved a key climate change mystery, showing that the annual global temperature today is the warmest of the past 10,000 years, according to a Rutgers University-led study publis...
A team led by University of Oregon geologist Rebecca Dorsey has published two papers that provide new insights into the origins of the Colorado River, using data from ancient sedimentary dep...
Geochemists solve mystery of Earth's vanishing crust（图）
Geochemists solve mystery Earth vanishing crust
2020/7/10
Earth's crust is the solid, outermost layer of our planet. Much of what happens below that layer remains a mystery, including the fate of sections of crust that vanish back into the Earth.Now, a team ...
Algorithm is designed to map universe, solve mysteries（图）
Algorithm map universe solve mysteries
2019/10/23
To solve some of physics' greatest mysteries, researchers at Cornell University have developed an algorithm designed to visualize models of the universe.The algorithm was developed by applying scienti...
Scientists solve long-standing mystery:Why atmospheric carbon dioxide was lower during ice ages（图）
Scientists long-standing mystery atmospheric carbon dioxide lower during ice ages
2019/10/28
Since scientists first determined that atmospheric carbon dioxide was lower during ice ages than during warm phases, they have looked at why, theorizing that it may be a function of ocean circulation,...
A Las Vegas algorithm to solve the elliptic curve discrete logarithm problem
public-key cryptography algorithm depends
2018/2/8
In this paper, we describe a new Las Vegas algorithm to solve the elliptic curve discrete logarithm problem. The algorithm depends on a property of the group of rational points of an elliptic curve an...
Counting Chromosomes:Plant Scientists Solve A Century-Old Mystery About Reproduction（图）
Counting Chromosomes Plant Scientists Century-Old Mystery Reproduction
2018/2/1
Counting is vital in nature. Counting chromosomes is something that most animals, plants and even single-celled organisms need to know how to do to assure viability and to reproduce. Today, a team of ...
Asymptotically faster quantum algorithms to solve multivariate quadratic equations
FXL Grover reversibility
2017/12/19
Asymptotically faster quantum algorithms to solve multivariate quadratic equations.
UC San Diego Researchers Solve Mystery of Oxygenation Connections in the Brain（图）
UC San Diego Researchers Oxygenation Connections the Brain
2017/11/23
Scientists have known that areas of the brain with similar functions—even those in different brain hemispheres—connect to share signals when the body rests, but they haven’t known how this “resting-st...
What bothers a plant? Why are some plants rare while others are common? Are the rare plants simply adapted to rare habitat or are they losing the competition for habitat? Are their populations small b...