Why do our clothes appear darker when they get wet?

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  Why do our clothes appear darker when they get wet? Hi guys, I hope you all will be fine and enjoying. Today in this post we are going to know why do our clothes appear darker when they get wet. So, Let's start.... Any cloth is made from a yarn or fibre. That fibre in turn made of smaller micro-fibre. Some of the photons of light are absorbed but some are reflected and land on our retina and that gives us the sensation of seeing the cloth as having a certain level of brightness.  But when the cloth gets wet the water fills in the gaps between each individual microfiber or yarn. When light falls on the wet cloth, some of it is now more likely to enter the water and be bent away from our eyes. So, some of the light that would have previously been reflected off the cloth back to our eyes is now bent away. Fewer photons of light get back to our eyeball and so the wet cloth appears darker than the dry cloth. But as the water gradually evaporated more and more light is reflected back t
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What is a Robot ๐Ÿค–??

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 What is a Robot ๐Ÿค–??

What distinguishes a Robot from other technologies or machines is not always clear cut,in part because scientists have not yet come to a consensus on which machines qualify as robots.Generally,robots are autonomous or semi-autonomous and can manipulate the physical environment through moving parts or suggestion.

At basic level,Robot ๐Ÿค– need only sense something,put what they are sensing through a decision algorithm, and act.They may resemble humans or other living things and their range of capabilities may mimic "thought" and autonomous function.Humanoid devices with a board array of abilities and decision making skills are becoming more common, from Honda's Asimo, which resembles a small person in a space suit, to Baxter a Robot factory worker.Rethink Robotics,the company that created Baxter,says that one of it's advantages is train ability- you can show it what to do rather than program instructions.




But today's robots still depend heavily on people,from robotic arms and other factory equipment that needs the correct coordinate to know where to go to the many military device that need orders from a human operator. However,as artificial intelligence research advances, robots may someday be capable of making their own choice.

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