Credit: PixabayJanuary set a new heat record, defying expectations that La Niña would bring cooling.Copernicus Climate Change Service reported temperatures 1.75°C above pre-industrial levels, extending a historic warming trend. Scientists expected a cooldown after El Niño peaked in early 2024, but extreme heat persists, fueling debate over additional warming factors.Every fraction of a degree...
The new shield will be used on the Dream Chaser winged spacecraftSierra Space/ORNLOak Ridge National Laboratory and Sierra Space Corporation have created an advanced heat shield, inspired by 1980s Space Shuttle technology, to protect reusable spacecraft during reentry.Challenges of Atmospheric Reentry and Advances in Heat Shield TechnologyEarth's atmosphere poses a significant challenge for returning...
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