Over the past decades, engineers have introduced numerous technologies that rely on light and its underlying characteristics.

Scientists at the University of Oxford demonstrate an approach to interpreting how materials interact with polarized light, ...

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The latest price of gold per ounce, gram, and kilogram using real-time interactive gold price charts. View the price of gold for different currencies around the world and various time periods.

Abstract: Phase-switched screens (PSSs) achieve low detectability for protected targets by intermittently modulating the phase of incident radar waves, altering their scattering characteristics.