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The Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) [1] was a technology demonstration on the NASA Mars 2020 rover Perseverance investigating the production of oxygen on Mars. [2] On April 20, 2021, MOXIE produced oxygen from carbon dioxide in the Martian atmosphere by using solid oxide electrolysis .
One of the many pesky barriers to humans freely exploring and inhabiting Mars is the planet’s lack of oxygen. Luckily, NASA’s Perseverance rover can help. Using an instrument dubbed MOXIE ...
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An instrument the size of a lunchbox has proven it can do the work of a small tree by successfully generating oxygen on the dusty surface of Mars. The instrument — called the Mars Oxygen In-Situ ...
Changes in brain activity are closely coupled with changes in blood flow in those areas, and knowing this has proved useful in mapping brain functions in humans. The measurement of haemodynamic response, in a clinical setting, can be used to create images of the brain in which especially active and inactive regions are shown as distinct from ...
Other methods which propose to measure neural activity directly have been attempted (for example, measurement of the Oxygen Extraction Fraction, or OEF, in regions of the brain, which measures how much of the oxyhemoglobin in the blood has been converted to deoxyhemoglobin [4]), but because the electromagnetic fields created by an active or ...
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The brain produces roughly 500 mL of cerebrospinal fluid per day at a rate of about 20 mL an hour. [18] This transcellular fluid is constantly reabsorbed, so that only 125–150 mL is present at any one time. [1] CSF volume is higher on a mL per kg body weight basis in children compared to adults.