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The world’s slowest clock

(PhysOrg.com) -- National Physical Laboratory is well known for having some of the fastest and most accurate clocks in the world, but now new research with the Scottish Universities Environmental Research Centre has led to the calibration of one of the world's slowest ‑ the argon-argon clock.

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NPL and SUERC calibrate a ‘rock clock’

New research by the National Physical Laboratory (NPL) and the Scottish Universities Environmental Research Centre (SUERC) will improve the accuracy of estimates of the time of geological events. The work centres on the calibration of one of the world's slowest clocks, known as the 'argon-argon clock'.

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cb(3P): New particle at the Large Hadron Collider discovered by ATLAS experiment

(PhysOrg.com) -- Researchers from the University of Birmingham and Lancaster University, analysing data taken by the ATLAS experiment, have been at the centre of what is believed to be the first clear observation of a new particle at the Large Hadron Collider. The research is published today on the online repository arXiv.

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Exploring the last white spot on Earth: ESRF inaugurates unique new X-ray facility

Scientists will soon be exploring matter at temperatures and pressures so extreme it can only be produced for microseconds using powerful pulsed lasers. Matter in such states is present in the Earth's liquid iron core, 2500 kilometres beneath the surface, and also in elusive "warm dense matter" inside large planets like Jupiter

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Microbial Mat Bears Direct Evidence of 3.3 Billion-Year-Old Photosynthesis

By Katharine Sanderson of Nature magazine The most direct evidence yet for ancient photosynthesis has been uncovered in a fossil of a matted carpet of microbes that lived on a beach 3.3 billion years ago. Frances Westall at the Centre for Molecular Biophysics, a laboratory of the French National Centre for Scientific Research (CNRS), in Orleans and her colleagues looked at the well-preserved Josefsdal Chert microbial mat--a thin sheet formed by layer upon layer of tiny organisms--from the Barberton Greenstone Belt in South Africa. These layers of ancient microorganisms grew at a time when Earth's atmosphere did not contain oxygen

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