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Nanoscale structures

Nanotechnology to improve solar panels. Illustration: depositphotos.com

Catch the sun in its rays

Researchers have created a metallic sponge that increases light energy and can adsorb substances to it
In the figure: three possible strategies for building balls from pentagonal tiles. From left to right: a - tiles that are glued to each other directly, b - tiles that are connected using linear connectors, c - tiles that are connected using triangular connectors. Prof. Ehud Kinan and Dr. Efrat Solel. The Technion

The artificial virus

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The photonic big bang: weak disorder creates a weak nanometric separation between photons with opposite spin (red and blue) - "photonic spin-Hall effect". Only in complete disorder does the "photonic explosion" occur - photons with opposite spins split and fill the entire momentum space - the "photonic Rashba effect". The phenomenon describes a topological phase transition that manifests itself in symmetry breaking. The research was inspired by models in cosmology that describe the Big Bang. Silicon nanoantennas are depicted in the picture, and the transition from antennas ordered in their direction to complete disorder is expressed by measuring a sharp increase in entropy (as a measure of disorder). Source: Technion.

The "big bang" in nanooptics

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The laboratory staff, from the right: laboratory engineer Yevgeni Linder, Mia Barzilai (doctoral student), Assaf Hershkovitz (master's degree), Itamar Holzman (toward a master's degree), Alon Avidor (bachelor's degree), Dr. Cecil Shagia (senior scientist) and Dr. Yachin Hebrew. Source: Technion spokesmen.

Collective Memory

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Nano Vial. Image: Arizona State University.

Nano vial of DNA

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