Tag "physics" archive

Petawatt ‘Death Star’ laser prepares to investigate quantum mechanics, chemistry, and more

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As high-power lasers have become increasingly important in scientific research, engineers have been working to build more powerful beam emitters. Now Lawrence Livermore National Laboratory (LLNL) in California is taking it to the extreme with a new laser project. If the High-Repetition-Rate Advanced Petawatt Laser System (HAPLS) lives up to its promise, it will be able to produce a laser with over 1 petawatt of power in extremely fast pulses. Continue reading “Petawatt ‘Death Star’ laser prepares to investigate quantum mechanics, chemistry, and more” »

A single-atom engine breaks the laws of physics and progress in quantum computing

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A new invention from Germany’s University of Mainz is not only the world’s smallest engine by an enormous margin, it may have broken a theoretical limit for engine efficiency. The device, a so-called “atomic engine,” produces power thanks to the movements of just a single atom trapped and manipulated. It’s an incredible achievement that, while not particularly useful for engineering in the short term, could revolutionize our understanding of the quantum world. Plus, it’s really neat. Continue reading “A single-atom engine breaks the laws of physics and progress in quantum computing” »

Elementary Physics in a Single Molecule

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A team of physicists has succeeded in performing an extraordinary experiment: They demonstrated how magnetism that generally manifests itself by a force between two magnetized objects acts within a single molecule. This discovery is of high significance to fundamental research and provides scientists with a new tool to better understand magnetism as an elementary phenomenon of physics

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