From neuroscience to nanomanufacturing, fields that didn't exist a century ago evolved from the intersection of disciplines when scientists collaborated to solve challenges in new, innovative ways. With today's scientific advances and the lightning speed of technology, working together across boundaries has never been more enticing, or more challenging.
ILA physicists have measured Albert Einstein's theory of general relativity, or more specifically, the effect called time dilation, at the smallest scale ever, showing that two tiny atomic clocks, separated by just a millimeter or the width of a sharp pencil tip, tick at different rates.
The experiments, described in the Feb. 17 issue of Nature, suggest how to make atomic clocks 50 times more precise than today's best designs and offer a route to perhaps revealing how relativity and gravity interact with quantum mechanics, a major quandary in physics.
The brain has neurons that fire specifically during certain mathematical operations. This is shown by a recent study conducted by the Universities of Tübingen and Bonn. The findings indicate that some of the neurons detected are active exclusively during additions, while others are active during subtractions. They do not care whether the calculation instruction is written down as a word or a symbol. The results have now been published in the journal Current Biology.
Fiber reinforced composites (FRCs), which are engineering materials comprising stiff fibers embedded in a soft matrix, typically have a constant fiber radius that limits their performance. Now, researchers from the Gwangju Institute of Science and Technology in Korea have developed a scheme for AI-assisted design of FRC structures with spatially varying optimal fiber sizes, making FRCs more lightweight without compromising their mechanical strength and stiffness, which will reduce the energy consumption of cars, aircrafts, and other vehicles.
As the world lessens its dependence on fossil fuels, industries and manufacturers are turning to lithium-ion batteries to power the machines that make modern life possible. These batteries power electric vehicles, mobile phones, drones, vacuum cleaning robots and other machines and will be an essential component to the energy transition.
Ramathasan Thevamaran, a UW–Madison assistant professor of engineering physics who led the research, said the nanofibre mats exhibit protective properties that far surpass other material systems at much lighter weight.
Thevamaran and his collaborators detailed the advance in a paper published in ACS Nano.
Following impressive rallies in the first and third quarters of 2021, financialrisk management, solutions and insights company Fitch Solutions Country Risk and Industry Research (Fitch Solutions) is revising its
Una binaria de rayos X está formada por un objeto compacto (agujero negro o estrella de neutrones) con un disco de acreción de materia que proviene de un estrella cercana; en concreto, MAXI J1820+070 está formada por una estrella de ∼0.5 masas solares que orbita un agujero negro de ∼8 masas solares que presenta un chorro relativista. Se podría pensar que el momento angular del agujero negro (llamado espín) debería estar alineado con el momento angular del disco de acreción, que es perpendicular al plano de la órbita.
La Comisión Europea evaluará en primavera si sigue adelante con su plan de reactivar las normas europeas de disciplina fiscal en 2023, ya que espera que la invasión rusa de Ucrania ralentice su recuperación económica tras la pandemia, si bien no prevé que la haga "descarrilar".
El presidente de la Reserva Federal de Estados Unidos, Jerome Powell, ha confirmado la intención del banco central estadounidense de acometer la primera subida de los tipos de interés tras la pandemia en la reunión que se celebrará a finales de marzo, a pesar de que la guerra entre Ucrania y Rusia ha aumentado la incertidumbre.
