Due to their stable design, Fizeau interferometers are used to determine the topography of surfaces such as, e.g., plane surfaces. PTB (Physikalisch-Technische Bundesanstalt, Germany) has now developed a method which makes ...
General Physics
Dec 18, 2007
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A team of astronomers has discovered a cosmic explosion that seems to have come from the middle of nowhere — thousands of light-years from the nearest galaxy-sized collection of stars, gas, and dust. This "shot in the dark" ...
Astronomy
Dec 18, 2007
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A new material, nano flakes, may revolutionise the transformation of solar energy to electricity. If so, even ordinary households can benefit from solar electricity and save money in the future.
Nanomaterials
Dec 18, 2007
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What are the defining discoveries and great developments that are shaping the way we use materials and technologies today? Elsevier’s Materials Today magazine has compiled a list of the top ten most significant advances ...
Condensed Matter
Dec 18, 2007
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The stunning amount of forest devastation at Tunguska, a century ago in Siberia, may have been caused by an asteroid only a fraction as large as previously published estimates, Sandia supercomputer simulations suggest.
Earth Sciences
Dec 18, 2007
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Installation of the world’s largest silicon tracking detector was today successfully completed at CERN. In the early hours of Thursday 13 December the CMS Silicon Strip Tracking Detector began its journey from the main ...
General Physics
Dec 18, 2007
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The ISIS Second Target Station Project at the STFC Rutherford Appleton Laboratory in Oxfordshire achieved a major milestone on Friday 14 December, at the first attempt and two days ahead of schedule. Protons were successfully ...
General Physics
Dec 18, 2007
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A standard GPS receiver has an average 2D-positioning accuracy of about 13 meters. While this precision is high enough to direct you to your hotel, it’s quite a bit lower than the accuracy required to determine which lane ...
For oceanography – and there in particular for the description of ocean currents – accurate measurements of the density of sea water are of great importance. For this purpose, measuring instruments are needed which reach ...
Earth Sciences
Dec 18, 2007
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Plastics are becoming more and more important and are an indispensable part of modern life. Scientists are thus interested in clearing up the details of polymerization processes, in which individual molecular building blocks ...
Dec 18, 2007
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