The search for perfect darkness has long been an elusive goal. But now, researchers have taken a major step forward to create what they call “optical darkness,” a material that blocks light of all wavelengths. The new material is a combination of gold and silver nanostructures, and it is incredibly robust, meaning it can withstand extreme temperatures and pressures without losing its properties. This could have a major impact on many different fields, such as astronomy, photography, and even medical imaging. It’s an exciting development, and one that could revolutionize the way we view the world.

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source: Phys.org