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Intel: a breakthrough in photonics

25.01.2009

Intel has published an article in the journal Nature Photonics describing developments in the creation of silicon photodetectors, which can reduce the cost of optical communications by several times, while greatly increasing their performance.

In addition to low cost, the advantages of the new method include a higher sensitivity of the sensors, which ensures the transmission of signals over long distances. According to Intel, the elements developed by the company can already transfer data at a speed of 40 Gb / s.

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Acoustic waves for the treatment of muscle injuries 15.07.2016

Specialists from the University of Salzburg (Austria) found that exposure to acoustic shock waves has a positive effect on the recovery of damaged muscles and can be used as a promising therapy for athletes in the future.

The work of specialists is devoted to extracorporeal shock wave therapy (Extracorporeal Shock Wave Therapy or ESWT) - a method of treating diseases of the musculoskeletal system using acoustic shock waves of low power. This therapy has proven itself in the treatment of ligaments and tendons, but the Austrian scientists decided to go beyond the usual scope and tested what effect ESWT would have on muscles.

"As far as we know, no one has conducted experiments that would show how beneficial ESWT affects muscle damage - one of the most common causes of injuries in playing sports. ESWT can accelerate the healing process of muscles, allowing athletes to return to sports in the shortest possible time ", says Angela Zissler, PhD at the University of Salzburg and lead author of the study.

Shock wave therapy stimulates tissues mechanically, accumulates and triggers the division of stem cells that replace dead cells in the body. According to the study, shock waves stimulate signaling factors in muscle tissue. These factors, in turn, trigger the work of progenitor cells, which up to a certain point are at a low level of differentiation, but at the right moment begin to develop into an adult cell, and then into muscle fibers.

Zissler believes that ESWT has great promise in the field of sports injury treatment. The low frequency (about 1 beat per second) and low power (less than 0,2 mJ/mm2) of acoustic shock waves make it possible to use therapy without resorting to painkillers. The therapy is non-invasive, takes no more than 15 minutes and has no side effects, which means it can compete with traditional physiotherapy.

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