For an object to be visible to us, its size must be greater than the wavelength of the light used. Therefore, visible light (400-700 nm) cannot be used to see objects as large as the nanometer range. But it is...
A home to live in is the birthright of any human being, but if we continue to grow in this way, granite mining will become just as important.But over the years, everyone has been talking about the problem, No one...
When one hears that a volcano is about to erupt on earth, one does not even approach the seventh. They will be evacuated, including those who are miles away from the area. The evacuation will begin as soon as the...
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