Shocking discovery about Corona

News from Yemen The researchers found that normal conversation creates a conical flow of air that quickly carries a spray of small drops from the speaker’s mouth through meters of internal space, which may help spread the Corona virus if one of the speakers is infected with the virus.Howard Stone, a professor of mechanical and pneumatic engineering at Princeton University, said: “People must realize that they have an influence on what is around them .. It is not just about you that it may reach meters after you.”
According to the “Medical Xpress” website, concerned with health affairs, although scientists have not yet fully identified the mechanisms of transmission of the Corona virus, current research indicates that people who do not have symptoms can infect others through small drops that arise. When they talk, sing, or laugh.

Stone and co-researcher Manoc Abkarian of the University of Montpellier in France wanted to find out how large-scale and rapid exhalation material from an ordinary speaker could spread into an interior space.
“A lot has been written about coughing and sneezing and the kinds of things that worry you about influenza … but these traits are associated with clear symptoms, and with this disease we are seeing massive spread by people without symptoms,” Stone said.

And in an article published on September 25 in the Proceedings of the National Academy of Sciences, the researchers concluded that for indoor activities, regular conversations can spread exhaled material at least as far away, if not further, than the social distancing guidelines recommended by the WHO ( 1 meter) and US officials (2 meters), and proven particulate flow in the interior space without good ventilation.

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Stone emphasized that public health officials should consider the aerodynamic movement of volatile particles resulting from speech alone an important factor in the spread of the virus.

“It definitely highlights the importance of ventilation … especially if you have a long conversation,” Stone added.

The researchers also said that although masks do not completely block airflow, they play an important role in disrupting airflow, preventing the rapid transfer of droplets over large ranges greater than 30 cm.

“The masks really cut this flow tremendously, and that determines why most masks play a big role in reducing the spread of eye drops,” Stone said.