Rainmakers and civil servants, specialists and farmers understand water policies in markedly different ways. This is why international policy instruments for managing water resources do not succeed, and the consequence is water shortage. This is shown in a dissertation in political science from Göteborg University in Sweden.
Every year five million people die because of the lack of clean water. This is not because we lack the knowledge to manage water or even because there is not enough water, but because of how we regulate and organize water resources. Therefore, international experts have developed a coordinated policy for water management, combining ecological, market, and democratic principles. More and more countries and international organizations are subscribing to this so-called ‘Integrated Water Resource Management,’ (IWRM).
Is IWRM thus the solution to the extensive misuse of water?
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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.
Concerning the development of quantum memories for the realization of global quantum networks, scientists of the Quantum Dynamics Division led by Professor...
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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.
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With innovative experiments, researchers at the Helmholtz-Zentrums Geesthacht and the Technical University Hamburg unravel why tiny metallic structures are extremely strong
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