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Abstract: Ultrasound is a widely used medical tool for noninvasive diagnosis, but its images often contain speckle noise which can lower their resolution and contrast-to-noise ratio. This can make it ...

National Highways said it has identified approximately 2,650 cases where a camera has erroneously activated due to a “technical issue”. It is understood that a software update created a problem with ...

Swifties know that Taylor Swift has always been into photography, and now you can get your hands on a unique camera she was just seen using. Last Sunday, while at a Chiefs game, Taylor Swift was ...

On very clear days, I can see five volcanoes from my campus. They’re Rainier, Hood, Adams, St. Helens and Baker. That’s … a lot. I asked my friend Katie Cooper about it. She’s a geophysicist at ...

Samsung is working on a new camera sensor, and once it finds its way into a next-gen Galaxy S-series device, it could help alleviate some of the brand’s problems with shutter speed. As reported by ...

In mid-December 2025, an image (archived) circulated online purportedly showing U.S. President Donald Trump using a walker as a mobility aid. Keith Edwards, a Democratic political strategist, posted ...

This story originally published in the July 1906 issue of National Geographic magazine. See more digitized stories from our archives here. Looking back to that period, many years ago, when the finger ...