据《The Transmitter》报道，出版商Springer Nature开始撤回数十篇论文，这些论文所依赖的数据集存在伦理与可靠性问题。该出版商的科研诚信部门负责人Tim Kersjes表示：自11月16日起，已有5篇论文被撤回，另有33篇计划撤回。

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[Mr. Carlson] bought a Globe Scout Model 40A ham radio transmitter at a hamfest. The 40A was a grand old transmitter full of tubes, high voltage, and a giant transformer. It is really interesting to ...

GREEN BAY, WI – December 08, 2025 – PRESSADVANTAGE – Krueger Sentry Gauge today announced the launch of its new KSG Smart Gauge Transmitter, a purpose-built accessory designed to bring digital ...

There was a time when we only had one type of earphone, and it was wired. Now, thanks to the expansion of Bluetooth technology, the days of untangling cords are over. It’s mostly been a pleasant ...

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Most often ultrasonic transducers are used for distance measurements, and in the DIY world, usually as a way for robots to detect obstacles. But for a weekend project, [Vinod.S] took the ultrasonic ...

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At the risk of making myself look like a wannabe weeb, I have to admit that I love collecting Japanese car accessories. The Kenwood CAX-BT20-R is one such artifact that I learned about by accident, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The 47-year-old ...