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Atomically thick metal membranes

For the first time researchers have shown that freestanding metal membranes consisting of a single layer of atoms can be stable under ambient conditions. This result of an international research team from ...

dateMar 14, 2014 in Nanomaterials
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Collecting light with artificial moth eyes

All over the world researchers are investigating solar cells which imitate plant photosynthesis, using sunlight and water to create synthetic fuels such as hydrogen. Empa researchers have developed such a ...

dateJun 18, 2014 in Nanophysics
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The rise and fall of oxygen

How long has Earth's atmosphere included oxygen? A recent paper suggests low levels of oxygen appeared in the atmosphere approximately 2.95 billion years ago. That's about 550 million years earlier than p ...

dateDec 11, 2013 in Earth Sciences
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