Articles tagged with Atmospheric Pressure
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Researchers have discovered that the breakdown of mineral serpentine can trigger earthquakes in Earth's deeply buried crust. At pressures above a few tens of kilometers, scientists expected faulting instability only if volume change during serpentine breakdown was positive. However, experiments have shown that even with a strongly nega...
Researchers at Carnegie Institution grow synthetic brilliant cut single-crystal diamonds with ultrahigh pressures, breaking measuring equipment. The crystals are up to 50% harder than conventional diamonds, offering a breakthrough in materials science.
Lyman Briggs was a highly influential soil scientist who also pioneered work on high-speed wind tunnels and military technology. His experiments explored water behavior under low pressure, demonstrating the paradoxical fact that water can remain liquid even with minimal pressure.
A NASA study has linked the transport of sea ice through Fram Strait to the position and phase of the longest sea level pressure wave circling the Earth at polar latitudes. The study found that variations in this wave, called 'wave 1', explain up to 70% of Arctic ice export through the strait.
Scientists suggest elephants have an aquatic ancestry, supported by their unique pleural space and snorkeling behavior. The elephant's dense connective tissue replaces delicate pleura, allowing for some sliding of the two surfaces across each other.
Lee's research found that zeolites expand as fluid from the surrounding medium is squeezed into their tiny pores under great pressure, leading to potential applications as 'molecular sponges'. The discovery was made possible by using a technique called powder diffraction at Brookhaven's National Synchrotron Light Source.
The Reduced Oxygen-Breathing (ROB) device induces symptoms of hypoxia in a normal room at normal air pressures, reducing the risk of decompression sickness and pressure trauma. This cost-effective training tool will be used for periodic hypoxia familiarization training for naval aviators.
Researchers have created a zeolite material that expands when subjected to increasing pressure, allowing it to trap larger molecules and pollutants. This unusual property has potential applications in controlling chemical or radioactive pollutants by locking them inside the expanded pores.
A study suggests that changes in temperature and atmospheric pressure may increase the risk of heart attack in men. Research found a significant association between extreme weather conditions and fatal and nonfatal heart attacks, particularly among those with previous heart attacks.
Dr. Philip James reports that high-pressure chambers can increase oxygen levels in damaged spinal nerves, potentially preventing paralysis. The treatment has been used on divers with decompression sickness and shows promise for spinal cord injuries.