On Wednesday 29 March 2006, the Moons shadow will sweep over the surface of Earth during the fourth total solar eclipse of this century.
Eclipse of the Sun at solar maximum
The path of the Moons ‘umbral’ shadow begins in Brazil at 10:35 CEST and crosses the Atlantic reaching Africa about 11:08 CEST, where it will travel over the northern part of the continent. It next crosses the Mediterranean Sea to Turkey, and then central Asia where it ends at sunset in western Mongolia.
For lucky observers in Egypt, Turkey, Russia, Brazil, Mongolia, Libya, Togo, Nigeria and Chad, the Moon will completely obscure the Sun and cause almost total darkness for a few minutes. This is the total solar eclipse and such an event only happens every few years.
Monica Talevi | alfa
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The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.
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Scientists at the Institute of Science and Technology Austria (IST Austria) have managed to control the behavior of individual bacteria by connecting them to a...
Physicists in the Laboratory for Attosecond Physics (run jointly by LMU Munich and the Max Planck Institute for Quantum Optics) have developed an attosecond electron microscope that allows them to visualize the dispersion of light in time and space, and observe the motions of electrons in atoms.
The most basic of all physical interactions in nature is that between light and matter. This interaction takes place in attosecond times (i.e. billionths of a...
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