2023-11-28 11:09:26
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[EN VIDÉO] Timelapse of Thomas Pesquet’s extra-vehicular spacewalk On June 16, 2021, Thomas Pesquet and Shane Kimbrough carried out a spacewalk…
Human beings were born to live on Earth. Not in space. So when he ventures there, sometimes not very pleasant things happen. Muscles that atrophy. A blurring view. Urination problems. Or even dysfunction of erectile function.
In space, nails fall
Spacewalks — extravehicular walks (EVA), as astronauts call it — seem to have a very strange consequence. Onycholysis, understand, the peeling… of the nails! At the origin of the problem, it seems, the gloved hands of the astronauts. Because the gloves that they use for their EVA tend to limit the mobility of the joints that join the palm of the hand to the fingers. Result: increased pressurepressure on said fingers which leads to reduced blood flow, tissue damage and… nail loss.
Researchers note that most of these injuries occur on the middle finger. And most often among female astronauts. Which suggests that a poor fit of the gloves might play a role… even if NASA has a habit of making custom-made materials!
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#unpleasant #surprise #awaits #spacewalk
