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26 gru 2020 · The spider experiment by the US space agency NASA is a lesson in the frustrating failures and happy accidents that sometimes lead to unexpected research findings. The question was relatively simple: on Earth, spiders build asymmetrical webs with the center displaced towards the upper edge.
14 gru 2020 · Now, a study of orb spiders (Trichonephila clavipes) in space has revealed that these smart arachnids can orientate themselves with light when there is no gravity to tell them which way is 'up'. Scientists have conducted myriad spider gravity experiments over the decades.
study houses the two spiders in separate habitats and includes chambers for their food supply of fruit flies. Artificial light simulates day and nighttime, as well as temperature and humidity...
9 gru 2020 · When resting, spiders sit with their head downwards because they can move towards freshly caught prey faster in the direction of gravity. But what do arachnids do in zero gravity?
10 gru 2020 · Humans have taken spiders into space more than once to study the importance of gravity to their web-building. What originally began as a somewhat unsuccessful PR experiment for high school students has yielded the surprising insight that light plays a larger role in arachnid orientation than previously thought.
A specimen of the spider species Trichonephila clavipes on board the international space station (ISS). Credit: BioServe Space Technologies, University of Colorado Boulder. Humans have taken...
11 gru 2020 · In the 2011 spiders-in-space experiment, researchers studied webs the spiders spun both with and without light, and watched how the spiders oriented themselves. Webs woven in darkness turned out to be symmetric, while those built while the habitat was illuminated from the top had the same asymmetric shape as those seen on Earth.
