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Recent updates to Physics:

  Super atoms turn the periodic table upside down
Researchers at Delft University of Technology (TU Delft) in The Netherlands have developed a technique for generating atom clusters made from silver and other metals. Surprisingly enough, these so-called super atoms (clusters of 13 silver atoms, for example) behave in the same way as individual atoms and have opened up a whole new branch of chemistry. A full account can be read in the new edition of TU Delft magazine Delft Outlook.

  PHYSICISTS SAVED FROM DROWNING IN COMPLEXITIES OF WETTING THEORY
The relationship between a thin liquid film or drop of liquid and the shape of the surface that it wets is explained with a new simplified mathematical formula published this week in Physical Review Letters. Understanding the precise interaction between liquids and surfaces is important for a number of areas, including the chemical industry and new nanotechnologies.

  Venus Express reboots the search for active volcanoes on Venus
ESAs Venus Express has measured a highly variable quantity of the volcanic gas sulphur dioxide in the atmosphere of Venus. Scientists must now decide whether this is evidence for active volcanoes on Venus, or linked to a hitherto unknown mechanism affecting the upper atmosphere.

  News from Earth’s magnetic field
It is widely known that the geomagnetic field shields our planet against highly energetic cosmic particles. The importance of the magnetic field for answering geological, tectonic or even archaeological questions is less known. Where do large, very old meteorite craters exist like, for example, the one that might have led to the extinction of the dinosaurs? How did the continents move about the globe through geological times? How does the hidden subterranean structure of a volcano look like, i.e. how high is the danger of eruption" Where had towns and buildings of ancient civilizations been located, which have long since been destroyed?

  OIL DROP ROLLS ROUND AND ROUND
A droplet of oil has been made to continuously orbit a glass petri dish by Japanese researchers who say their experiment will inspire work on molecular motors.

  XMM-NEWTON DETECTS X-RAY ’SOLAR CYCLE’ IN DISTANT STAR
For years, astronomers have wondered whether stars similar to the Sun go through periodic cycles of enhanced X-ray activity, like those often causing troubles to telephone and power lines here on Earth.

  MYSTERY OF THE MISSING MINI-GALAXIES
The missing building-blocks of giant galaxies may finally have been found, according to an international team of astrophysicists.

  CRAZY CARBON NANOFOAM LOVES MAGNETS
Tiny particles of carbon that look like sooty foam and attract magnets have been made by Australian scientists.

  URANUS AND NEPTUNE SHARE MAGNETIC SECRETS
Uranus and Neptune’s weird magnetic fields are unlike Earth’s, and now U.S. researchers have explained why.

  FASTEST STOPWATCH IN THE WORLD
A new ultrafast stopwatch can now measure the speed of atomic processes down to the smallest fraction of a second yet.



 

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