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Apr 14, 2010 · A good rule of thumb is that the higher you go, the shorter you should stay. If you were suddenly transported to the summit of Everest (8848 metres) without acclimatising first, you…
While the official threshold of space is 100km above the Earth, the effects of the atmosphere can be detected much higher. Even Hubble, which orbits at almost 600km, could be brought down by the creeping effect of drag. Only satellites in orbits several tens of thousands of kilometres above the Earth can be regarded as effectively permanent ...
Aug 9, 2012 · For example, how long can you stay awake before you die? How high in altitude can you climb before suffocating? How much acceleration can your body withstand before it rips apart?
Jul 10, 2021 · A wet-bulb temperature of 35 °C, or around 95 °F, is pretty much the absolute limit of human tolerance, says Zach Schlader, a physiologist at Indiana University Bloomington. Above that,...
The human body can adapt to high altitude through both immediate and long-term acclimatization. At high altitude, in the short term, the lack of oxygen is sensed by the carotid bodies , which causes an increase in the breathing depth and rate ( hyperpnea ).
Jun 9, 2021 · Observed walking speed and cadence were higher in winter (average maximum temperature: 10.2 °C) than in summer (average maximum temperature: 29.8 °C) (p < 0.001).
Aug 14, 2024 · Around 70% of the global workforce — 2.4 billion people — are now at high risk of extreme heat, it said. Despite this, public advice on how to cope with high temperatures is poor, and ways...