Mona Lisa’s mystical smile still puts viewers under a spell. Leonardo Da Vinci attained the perfection and finesse of his paintings with a technique he himself perfected. This technique is called sfumato (from the Italian ...
Other
Aug 11, 2010
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Unfortunately, when ancient kings sent letters to each other, their post offices didn't record the sender's return address. It takes quite a bit of super-sleuthing by today's archaeologists to determine the geographical ...
Archaeology
Aug 5, 2010
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Like an ice cube on a warm day, most materials melt -- that is, change from a solid to a liquid state -- as they get warmer. But a few oddball materials do the reverse: They melt as they get cooler. Now a team of researchers ...
Nanomaterials
Aug 2, 2010
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(PhysOrg.com) -- NASA's Curiosity rover, coming together for a late 2011 launch to Mars, has a newly installed component: a key onboard X-ray instrument for helping the mission achieve its goals. Researchers will use Curiosity ...
Space Exploration
Jun 28, 2010
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(PhysOrg.com) -- Lead levels that are "off the scale" have been confirmed after tests were done this morning on the lid of a soup can dating back more than 150 years. The findings reopen the mystery surrounding the cause ...
Other
Dec 15, 2009
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(PhysOrg.com) -- Due to their violent nature and long distance from Earth, black holes and their surroundings are very difficult to study. Currently, the main method to observe a black hole is to use an X-ray satellite to ...
Scientists are working on a new range of materials characterisation analysers and techniques that could help unlock the value contained in Australia's mineral deposits and improve processing performance, according to the ...
Environment
Oct 6, 2009
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(PhysOrg.com) -- A team of international researchers is the first to uncover the chemical composition and structure of a microelectronics element that is vital to producing ever smaller - and, thus, cheaper and faster - devices.
Condensed Matter
Oct 5, 2009
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Scientists today reported use of a new X-ray imaging technique to reveal for the first time in a century unprecedented details of a painting hidden beneath another painting by famed American illustrator N.C. (Newell Convers) ...
Analytical Chemistry
Aug 19, 2009
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(PhysOrg.com) -- About 150 million years ago, an evolutionarily hybrid creature, a dinosaur on its way to becoming a bird, died in what is now Germany, and become fossilized in limestone.
General Physics
Feb 15, 2009
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