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triple asteroid

07.03.2006

As shown by German and American astronomers working on a large telescope in Chile, the asteroid Sylvia, discovered back in 1866, actually consists of three bodies.

The second, named Romulus, was discovered in 2001, and Remus was also recently discovered. Sylvia has a diameter of about 250 kilometers, Romulus - about 20, and Remus - only 7 kilometers.

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Random news from the Archive

Video capsule with remote control as an alternative to the endoscope 14.06.2023

The use of video capsules as an endoscopic instrument already has some history, however, they were previously uncontrollable as they completely relied on gravity and gastrointestinal peristalsis for locomotion. However, the researchers managed to overcome this limitation by creating a tablet with a camera and a remote control system.

Scientists at the George Washington University School of Medicine and Health Sciences have developed a method that allows doctors to control a miniature video capsule called NaviCam that a patient swallows and passes through the entire digestive system, allowing them to visualize and photograph potentially problematic areas. An external magnet and joysticks are used to move the capsule.

"Traditional endoscopy is an invasive procedure and also costly. The magnetically guided video capsule can be used as a quick and easy way to diagnose problems with the upper digestive system, such as an ulcer or stomach cancer," says Professor of Emergency Medicine at the School of Medicine and Medical in George Washington University, Andrew Meltzer.

The technology is in the testing phase, but early results have been encouraging. Doctors were able to control the capsule in all major parts of the stomach of 40 patients with an imaging accuracy of 95%. Trial participants also underwent conventional endoscopy to confirm the absence of high-risk lesions.

Initially, the camera is designed to detect bleeding, inflammation and other problems, and can also automatically transmit video and images for later review. Previous official studies have shown that the use of the video capsule does not pose a risk to health, but it cannot be used for biopsy, as it remains inside the body and naturally leaves it.

In April of this year, the first successful procedure for examining a child using a video capsule (without remote control) was carried out in Ukraine at the Okhmatdit National Children's Specialized Hospital. The technology can be used to examine children from the age of 2 years, and during the procedure, the little patient can move freely - jump, walk, run, sit, lie down or play. An hour after the procedure, you are allowed to drink, and after three hours - to eat.

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