• Science

    Scientists use trilayer graphene to observe more robust superconductivity

    Artist rendition of twisted trilayer graphene. Credit: Polina Shmatkova & Margarita Davydova In 2018, the physics world was set ablaze with the discovery that when an ultrathin layer of carbon, called graphene, is stacked and twisted to a “magic angle,” that new double layered structure converts into a superconductor, allowing electricity to flow without resistance or energy waste. Now, in a literal twist, Harvard scientists have expanded on that superconducting system by adding a third layer and rotating it, opening the door for continued advancements in graphene-based superconductivity. The work is described in a new paper in Science and can one day help lead toward superconductors that operate at higher…

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  • Jobs

    Back-to-school drives surprisingly robust Canadian jobs gain

    Canada’s economy added 378,200 jobs in September, more than double the median forecast, as school reopenings allowed parents to get back to work. It was a fifth straight month of gains, and means the labor market has now recovered three quarters of the 3 million positions lost during March and April. The jobless rate fell to nine per cent, from 10.2 per cent in August. Economists were expecting a job gain of 150,000 and an unemployment rate of 9.8 per cent. Friday’s figures show the country’s labor market is recovering faster than anticipated. The jobs gains were mostly in full-time work, and were widespread across industries, with increases in manufacturing, education and…

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