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Blog – Page 9523

Chinese scientists have developed a new heat-resistant material for hypersonic aircraft, as it can endure over 3,000 C from friction caused by a Mach 5–20 flight within the atmosphere.

A lead scientist said the material outperforms all similar foreign-made ones with its high melting point, low density and high malleability.

The new material enables a hypersonic aircraft to fly at Mach 5–20 within the atmosphere for several hours, as the high heat resulting from the friction between the aircraft and the air reaches between 2,000 C to 3,000 C, a temperature normal metal would not be able to endure.

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ALLENDALE, Mich. (WOOD) — West Michigan scouts gathered Saturday at the Consumers Energy’s Solar Garden in Allendale to learn about sustainability and how they can be good stewards of the earth.

At the event, the scouts learned how their choices have an impact on the environment.

“The sustainability merit badge is actually quite a tough one to do, it requires a lot of thinking, a lot of planning,” said John Miller, Western Michigan University professor and merit badge counselor. “That’s part of what scouting is about is having the youth learn that they can effect change.”

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Achieving these goals for the science division will be challenging. The WHO has a surprisingly small budget for its outsized role, and must work hard to secure consensus and cooperation from funders and member countries. However, all agree on the urgency of these tasks, and the need to come together and realize them. Greater coordination of science activities within the WHO will help to make that happen.

Soumya Swaminathan explains how the World Health Organization’s new science division can promote universal health coverage in all countries.

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