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Photoluminescence blinking--random switching between states of high (ON) and low (OFF) emissivities--is a universal property of molecular emitters found in dyes, polymers, biological molecules and artificial nanostructures such as nanocrystal quantum dots, carbon nanotubes and nanowires. For the past 15 years, colloidal nanocrystals have been used as a(More)
We demonstrate a broadband, polarization independent, wide-angle absorber based on a metallic metasurface architecture, which accomplishes greater than 90% absorptance in the visible and near-infrared range of the solar spectrum, and exhibits low absorptivity (emissivity) at mid- and far-infrared wavelengths. The complex unit cell of the metasurface solar(More)
This paper assesses the viability of predicting fluctuations in the foreign exchange markets. It investigates the new Weka filter that evolves the input space of the decision system. The new Weka filter only enhances one file and so falls short of the requirements for this project. Subsequent experiments used an earlier version that kept the training and(More)
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