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近 100 年求索:“第二声”现象首次被直接观测,热量也能“唱歌”

科学家通过技术创新首次直接观测到“第二声”现象,这是一种热量以波的形式在超流体中传播的现象。麻省理工学院团队利用热成像技术,在冷锂-6原子构成的超流体中捕捉到“第二声”的图像,证实了热量在超流体中像声波一样震荡的特性。这一发现为理解超流体提供了重要证据。

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百年求索终成真!科学家首次直击热量“唱歌”的“第二声”现象 ITBear科技资讯
近 100 年求索:“第二声”现象首次被直接观测,热量也能“唱歌” IT 之家
“第二声”现象首次被直接观测到 中关村在线

事件追踪
2025-05-10 我国科学家实现基于主动光学强度干涉的合成孔径成像

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近 100 年求索:“第二声”现象首次被直接观测,热量也能“唱歌”

科学家通过技术创新首次直接观测到“第二声”现象,这是一种热量以波的形式在超流体中传播的现象。麻省理工学院团队利用热成像技术,在冷锂-6原子构成的超流体中捕捉到“第二声”的图像,证实了热量在超流体中像声波一样震荡的特性。这一发现为理解超流体提供了重要证据。

媒体报道
百年求索终成真!科学家首次直击热量“唱歌”的“第二声”现象 ITBear科技资讯
近 100 年求索:“第二声”现象首次被直接观测,热量也能“唱歌” IT 之家
“第二声”现象首次被直接观测到 中关村在线

事件追踪
2025-05-10 我国科学家实现基于主动光学强度干涉的合成孔径成像

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Start with a fresh view of investing strategy. The combination of risks and fads this quarter looks to be topping. That means the future is ready to move in.Likely, there will not be a wholesale shift. Company actions will aim to benefit from economic growth, inflationary pressures and a return of market-determined interest rates. In turn, all of that should drive the stock market and investment returns higher.

How Does Bitcoin Work?

Bitcoin is built on a distributed digital record called a blockchain. As the name implies, blockchain is a linked body of data, made up of units called blocks that contain information about each and every transaction, including date and time, total value, buyer and seller, and a unique identifying code for each exchange. Entries are strung together in chronological order, creating a digital chain of blocks. “Once a block is added to the blockchain, it becomes accessible to anyone who wishes to view it, acting as a public ledger of cryptocurrency transactions,” says Stacey Harris, consultant for Pelicoin, a network of cryptocurrency ATMs. Blockchain is decentralized, which means it’s not controlled by any one organization. “It’s like a Google Doc that anyone can work on,” says Buchi Okoro, CEO and co-founder of African cryptocurrency exchange Quidax. “Nobody owns it, but anyone who has a link can contribute to it. And as different people update it, your copy also gets updated.”

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