News tagged with distance
Artificial light-harvesting method achieves 100% energy transfer efficiency
(PhysOrg.com) -- In an attempt to mimic the photosynthetic systems found in plants and some bacteria, scientists have taken a step toward developing an artificial light-harvesting system (LHS) that meets one ...
Sep 01, 2011 |
4.9 / 5 (40) |
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In metallic glasses, researchers find a few new atomic structures
Drawing on powerful computational tools and a state-of-the-art scanning transmission electron microscope, a team of University of Wisconsin-Madison and Iowa State University materials science and engineering researchers has ...
May 11, 2012 |
3.4 / 5 (7) |
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The annihilating effects of space travel
Long distance space travel could create the ultimate 'killer entrance', devastating your destination and anything around the arriving spacecraft, according to calculations by Professor Geraint Lewis and two ...
Mar 12, 2012 |
3.8 / 5 (24) |
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'Amplified' nanotubes may power the future
Rice University scientists have achieved a pivotal breakthrough in the development of a cable that will make an efficient electric grid of the future possible.
Nanotechnology / Nanomaterials
Jul 14, 2011 |
4.9 / 5 (15) |
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Mathematician credited with solving one of combinatorial geometry's most challenging problems
(PhysOrg.com) -- A mathematician in the Indiana University College of Arts and Sciences is being credited with resolving a 65-year-old problem in combinatorial geometry that sought to determine the minimum number of distinct ...
Feb 25, 2011 |
4.8 / 5 (11) |
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Early humans won at running; Neandertals won at walking
(PhysOrg.com) -- New research has compared the performance of the heels of modern-day distance runners to the heels of Neandertals and ancient Homo sapiens. The results show the Neandertals' heels were taller ...
Other Sciences / Archaeology & Fossils
Feb 07, 2011 |
4.9 / 5 (16) |
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Long-Distance Teleportation Between Two Atoms: First between atoms 1 meter apart
(PhysOrg.com) -- For the first time, scientists have successfully teleported information between two separate atoms in unconnected enclosures a meter apart - a significant milestone in the global quest for ...
Jan 22, 2009 |
4.8 / 5 (28) |
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What's in a surname? New study explores what the evolution of names reveals about China
What can surnames tell us about the culture, genetics and history of our society? That is the question being answered by Chinese researchers who have traced the evolution of surnames across China.The research, published in ...
Other Sciences / Social Sciences
Apr 13, 2012 |
4.6 / 5 (5) |
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Pesticide additives cause drifting droplets, but can be controlled
(PhysOrg.com) -- Chemical additives that help agricultural pesticides adhere to their targets during spraying can lead to formation of smaller "satellite" droplets that cause those pesticides to drift into ...
Mar 20, 2012 |
3 / 5 (2) |
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Viking 'sunstone' more than a myth
Ancient tales of Norse mariners using mysterious sunstones to navigate the ocean when clouds obscured the Sun and stars are more than just legend, according to a study published Wednesday.
Other Sciences / Archaeology & Fossils
Nov 02, 2011 |
4.9 / 5 (34) |
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Teeth study shows big dinosaurs trekked for food
What did giant plant-munching dinosaurs do when they couldn't find enough to eat in the parched American West? They hit the road. An analysis of fossilized teeth adds further evidence that the long-necked ...
Other Sciences / Archaeology & Fossils
Oct 26, 2011 |
5 / 5 (2) |
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Researchers change the color and shape of a single photon
(PhysOrg.com) -- A team of researchers from the CNST and ITL has simultaneously changed the color and shape of a single photon, the smallest unit of light.
Oct 06, 2011 |
4.5 / 5 (6) |
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Scientists lay out plans for efficient harvesting of solar energy
Solar power could be harvested more efficiently and transported over long distances using tiny molecular circuits, according to research inspired by new insights into natural photosynthesis.
Sep 23, 2011 |
5 / 5 (2) |
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Better 'photon loops' may be key to computer and physics advances
Surprisingly, transmitting information-rich photons thousands of miles through fiber-optic cable is far easier than reliably sending them just a few nanometers through a computer circuit. However, it may soon ...
Aug 22, 2011 |
5 / 5 (8) |
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A photon’s point of view
From a photon’s point of view, it is emitted and then instantaneously reabsorbed. This is true for a photon emitted in the core of the Sun, which might be reabsorbed after crossing a fraction of a millimetre’s ...
Space & Earth / Space Exploration
Aug 08, 2011 |
3.9 / 5 (39) |
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Distance
Distance (or farness) is a numerical description of how far apart objects are. In physics or everyday discussion, distance may refer to a physical length, or an estimation based on other criteria (e.g. "two counties over"). In mathematics, a distance function or metric is a generalization of the concept of physical distance. A metric is a function that behaves according to a specific set of rules, and provides a concrete way of describing what it means for elements of some space to be "close to" or "far away from" each other.
In most cases, "distance from A to B" is interchangeable with "distance between B and A".
For more information about Distance, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
