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 E-Mail IMAGE: An optical shutter created by ionization allows an ordinary camera to measure a femtosecond pulse from a free electron laser. view more  Credit: Los Alamos National Laboratory LOS ALAMOS, N.M., April 14, 2021--New research shows how to measure the super-short bursts of high-frequency light emitted from free electron lasers (FELs). By using the light-induced ionization itself to create a femtosecond optical shutter, the technique encodes the electric field of the FEL pulse in a visible light pulse so that it can be measured with a standard, slow, visible-light camera. ...

Credit: UrFU / Victoria Maltseva. Physicists at the Ural Federal University (UrFU, Ekaterinburg, Russia) will print unique magnets, magnetic systems, soft magnetic elements with a 3D printer. Samples made with this printer can be useful in almost any field from medicine to space. For example, it can be used by robotic surgical assistants to unclog arteries and veins or to place stents. According to Aleksey Volegov, associate professor of the Department of magnetism and magnetic nanomaterials at the UrFU, now scientists are deciding which kind of magnets they will start printing first. "These ...

 E-Mail IMAGE: The above diagram shows part of the molecular assembly process from individually trapped atoms to ground state molecule using optical tweezers (lasers). view more  Credit: Photo courtesy of the Ni group In 2018, Kang-Kuen Ni and her lab earned the cover of Science with an impressive feat: They took two individual atoms, a sodium and a cesium, and forged them into a single dipolar molecule, sodium cesium. Sodium and cesium normally ignore each other in the wild; but in the Ni lab's carefully calibrated vacuum chamber, she and her team captured each atom using lasers and ...

 E-Mail IMAGE: ORNL researchers used electron beam powder bed fusion to produce refractory metal molybdenum, which remained crack free and dense, proving its viability for additive manufacturing applications. view more  Credit: ORNL/U.S. Dept. of Energy Manufacturing - Mighty Mo Oak Ridge National Laboratory scientists proved molybdenum titanium carbide, a refractory metal alloy that can withstand extreme temperature environments, can also be crack free and dense when produced with electron beam powder bed fusion. Their finding indicates the material's viability in additive manufact...

 E-Mail An interdisciplinary team led by KU Leuven and Stanford has identified 76 overlapping genetic locations that shape both our face and our brain. What the researchers didn't find is evidence that this genetic overlap also predicts someone's behavioural-cognitive traits or risk of conditions such as Alzheimer's disease. This means that the findings help to debunk several persistent pseudoscientific claims about what our face reveals about us. There were already indications of a genetic link between the shape of our face and that of our brain, says Professor Peter Claes from the Laborato...