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If faced with the choice of sending a swarm of full-sized, distinct robots to space, or a large crew of smaller robotic modules, you might want to enlist the latter. Modular robots, like those depicte...
Ecohydrologists show environmental damage from loss of fog is observable from outer space（图）
Ecohydrologists environmental damage from los fog observable outer space
2020/6/12
A new National Science Foundation-funded study led by ecohydrologists at Indiana University has shown for the first time that it's possible to use satellite data to measure the threat o...
The Metric Completion of Outer Space
The Metric Completion Outer Space the Lipschitz metric homeomorphic
2012/3/1
We prove that the completion of Outer Space with the Lipschitz metric is homeomorphic to the free splitting complex. We give a new proof of a theorem by Francaviglia and Martino [FMa] that the isometr...
Abstract: Subsurface projection has become indispensable in studying the geometry of the mapping class group and the curve complex of a surface. When the subsurface is an annulus, this projection is s...
From Outer Space to Inner Earth: NSF-supported Presentations at American Geophysical Union Conference Present New Discoveries（图）
Outer Space Inner Earth NSF-supported Presentations American Geophysical Union Conference New Discoveries
2009/12/15
Water in Earth's critical zone; declining water resources in the U.S. west; "zebra stripes" in rock; dark energy under the sea-floor; undersea volcanic eruptions; Sumatra earthquake zone among topics....
COSPAR (Committee on Space Resarch), UN Committee on the Peaceful Uses of Outer Space
Committee on Space Resarch UN Peaceful Uses Outer Space
2010/11/24
This paper presents the history and the present structure of COSPAR (Committee on Space Research) and a few events of the Committee on the Peaceful Uses of Outer Space(COPUOS) in which the author has ...
One way or another, the world seems headed toward a legal order
to allocate the increasingly scarce and valuable geosynchronons
orbits. . . .Only with a wider sense of shared commitment and less
na...
The purpose of this paper is to demonstrate that it is possible, in principle, to obtain knowledge of the entire universe at the present time, even if the radius of the universe is much larger than th...
Diamonds from Outer Space: Geologists Discover Origin of Earth’s Mysterious Black Diamonds
Black Diamonds geology
2007/1/30
January 10, 2007，If indeed “a diamond is forever,” the most primitive origins of Earth’s so-called black diamonds were in deep, universal time, geologists have discovered. Black diamonds came from non...