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How to uncover the true face of atomic nuclei

Protons and neutrons are the basic constituents of atomic nuclei. Are they distributed homogeneously, or perhaps in quartets consisting of two protons and two neutrons? Physicists have recently presented an idea how this issue may be investigated in future experiments.

Posted: Jul 10th, 2014

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IBM announces $3 bn research initiative to push limits of silicon technology to 7 nanometers

The first research program is aimed at so-called '7 nanometer and beyond' silicon technology that will address serious physical challenges that are threatening current semiconductor scaling techniques and will impede the ability to manufacture such chips. The second is focused on developing alternative technologies for post-silicon era chips using entirely different approaches, which IBM scientists and other experts say are required because of the physical limitations of silicon based semiconductors.

Posted: Jul 10th, 2014

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Scientists watch the molecular dynamics of photosynthesis in action

Researchers have caught a central step of photosynthesis in action for the first time. The team used the world's most powerful X-ray flashlight to record still frames of a molecular complex called photosystem II as it splits water into hydrogen and oxygen, a process that maintains the oxygen in earth's atmosphere.

Posted: Jul 9th, 2014

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Unraveling atomic-scale edge structure of nanoscale graphene islands

This is the first demonstration, combining experiment and theory, that the interaction of the carbon atoms with a metal substrate stabilizes the low coordinated carbon edge atoms. In models for the growth of graphene on metal substrates, such low coordinated atoms at the growing edge play a special role. These results, which demonstrate such stability, will play a significant role in further development of these models and will help guide future strategies to grow graphene nanostructures with atomic scale control of edge structure.

Posted: Jul 9th, 2014

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