Which causes an object to become invisible, regular or diffused?

AI Thread Summary
The discussion centers on the conditions under which an object becomes invisible, specifically focusing on regular versus diffused reflection. Participants seek clarification on the context of invisibility related to these types of reflection. The conversation highlights the need for examples to better understand the concept of invisibility in this context. There is a request for more specific information to facilitate a clearer discussion. Understanding the mechanisms of reflection is crucial for determining how and when objects may appear invisible.
pmostafa
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When an object becomes invisible when it undergoes “regular” or “diffused” reflection?
 
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There are many reasons for an object to become "invisible".
What was the context of your question?
 
I would like to know object undergoes invisible for which reflection, Regular or Diffused.
 
pmostafa said:
I would like to know object undergoes invisible for which reflection, Regular or Diffused.

Your question is not translating very well. Can you provide a web pointer to an example of the kind of "invisibility" you are asking about?
 
I think it's easist first to watch a short vidio clip I find these videos very relaxing to watch .. I got to thinking is this being done in the most efficient way? The sand has to be suspended in the water to move it to the outlet ... The faster the water , the more turbulance and the sand stays suspended, so it seems to me the rule of thumb is the hose be aimed towards the outlet at all times .. Many times the workers hit the sand directly which will greatly reduce the water...
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