Archive: 09/29/2005
Waving, not drowning: The truth about quicksand
Scientists have given the lie to the hoary scene in Westerns in which a cowboy slowly drowns in quicksand or alternatively is cast a lifeline by a buddy and gets hauled to safety. Physicists in the Netherlands built a min ...
Physics /
Sep 29, 2005 |
4.1 / 5 (7) |
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Study: Oceans becoming more acidic
Australian scientists are warning the world's oceans are becoming more acidic as they absorb more carbon dioxide from the atmosphere.
Sep 29, 2005 |
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Deep sleep short-circuits brain’s grid of connectivity
In the human brain, cells talk to one another through the routine exchange of electrical signals. But when people fall into a deep sleep, the higher regions of the brain - regions that during waking hours are a bustling ...
Sep 29, 2005 |
5 / 5 (5) |
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First helical structure in the nano-world
Although a commonplace structure in nature, the helix remains a mystery to scientific researchers. In biology, the structure is important as DNA is helical and so does the substructure of many proteins. Since ...
Sep 29, 2005 |
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Miniaturisation of Fuel Cells Improves Prospects of Technology Commercialisation
To create a compelling microfuel cell technology, scientists have to look at providing power densities that are comparable to that of conventional or rechargeable batteries. Direct methanol fuel cell (DMFC), a popular fuel ...
Sep 29, 2005 |
2.7 / 5 (6) |
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‘Defective’ Nanostructures Make Breaking Water to Extract Hydrogen Easier
Scientists at North Carolina State University have discovered a nanoscale method for extracting hydrogen from water that requires only half the energy of current hydrogen production methods.
Sep 29, 2005 |
4.1 / 5 (12) |
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Paper, plastic or digital? Technology is changing shopping
The past few years have seen the advent of new technologies that may completely change the way people shop and how retailers interact with their customers. For consumers, that could mean having a store offer recipes as soon ...
Sep 29, 2005 |
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Launch milestone achieved: last-ever look at CryoSat
As preparations for the launch of CryoSat on 8 October continue on schedule, the satellite has now been sealed beyond physical control from the outside world.
Sep 29, 2005 |
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Sony continues DVD battle with Toshiba
The beginning of the end of the global DVD war may be looming, but Sony is far from conceding defeat. What's more, its business allies have remained loyal to the Japanese electronics giant despite some industry analysts expecting ...
Sep 29, 2005 |
3 / 5 (2) |
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When computers mimic us, we love what we hear
Researchers have long known that mimicry from one person to another indicates positive intentions and emotions. A new study published in the current issue of Psychological Science finds that when artificial intelligence mimics ...
Sep 29, 2005 |
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Nanoscientists Describe Electron Movement through Molecules
Molecular electronics is the ultimate miniaturization of electronics. In this area of research, scientists have been studying the movement of electrons through individual molecules in an effort to understand how they might ...
Sep 29, 2005 |
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Spider blood found in 20 million year old fossil
A scientist from the University of Manchester has discovered the first identified droplets of spider blood in a piece of amber up to 20 million years old.
Sep 29, 2005 |
4.7 / 5 (6) |
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A Biomolecule as a Light Switch
Switchable fluorescent proteins - able to switch themselves reversibly back-and-forth between an "on" and "off" state - have been known for only a few years. However, they already hold promise for a large number ...
Sep 29, 2005 |
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The Colossal Cosmic Eye
Eighty-five million years ago on small planet Earth, dinosaurs ruled, ignorant of their soon-to-come demise in the great Jurassic extinction, while mammals were still small and shy creatures. The southern Andes of Bolivia, ...
Sep 29, 2005 |
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Annular Solar Eclipse On October 03
On Monday, October 03, an annular1 eclipse of the Sun will be visible from within a narrow corridor which traverses the Iberian Peninsula and stretches across the African continent. A partial eclipse will be seen within the ...
Sep 29, 2005 |
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