ESA’s Venus Express mission will be the first spacecraft in more than 10 years to visit our nearest planetary neighbour. To celebrate a new phase of exploration of Earth’s sister world, the Planetary Society has teamed with ESA to invite youths and adults worldwide to enter the Venus Express Art Contest for a chance to win a trip to mission control in Darmstadt, Germany when Venus Express arrives at its destination in April 2006.
Venus, shrouded under a dense haze, is a world steeped in mystery. Often called our sister planet, Venus is nearly identical in size and mass, yet its surface temperature is hotter than a kitchen oven because the thick atmosphere traps the Sun’s heat. Instruments on board Venus Express will study the planet’s atmosphere and see what drives the planet’s high-speed winds. An on-board camera will capture images of the surface by peering through ‘windows’ in the enveloping haze.
The theme of Venus Express Art Contest is ‘Postcards from Venus.’ Contest entrants are invited to imagine the surface of Venus from an above-ground perspective – a bird’s eye view of a mysterious world whose volcano-riddled surface contains few impact craters, indicating a planet where resurfacing on a global scale has taken place within the last 500 million years.
Susan Lendroth | alfa
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15.12.2017 | Friedrich-Alexander-Universität Erlangen-Nürnberg
DNA molecules that follow specific instructions could offer more precise molecular control of synthetic chemical systems, a discovery that opens the door for engineers to create molecular machines with new and complex behaviors.
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MPQ scientists achieve long storage times for photonic quantum bits which break the lower bound for direct teleportation in a global quantum network.
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Tiny pores at a cell's entryway act as miniature bouncers, letting in some electrically charged atoms--ions--but blocking others. Operating as exquisitely sensitive filters, these "ion channels" play a critical role in biological functions such as muscle contraction and the firing of brain cells.
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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.
Over the past few years, the building blocks of storage media have gotten ever smaller. But further miniaturization of the current technology is hindered by...
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