New discoveries made about a promising solar cell material, thanks to new microscope
A team of scientists from the Department of Energy’s Ames National Laboratory developed a new characterization tool that allowed them to gain unique insight into a possible alternative material for solar cells.
Credit: U. S. Department of Energy Ames National Lab
While useful for killing pathogens including SARS-CoV-2, the UV lights may cause unwanted chemical reactions and should be used with ventilation, researchers say.
Credit: José-Luis Olivares, MIT; iStock
Research Paper: Indoor Air Quality Implications of Germicidal 222 nm Light https://pubs.acs.org/doi/full/10.1021/acs.est.3c05680
News Source: https://news.mit.edu/2023/germicidal-uv-lights-could-be-producing-indoor-air-pollutants-1017
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The Royal Swedish Academy of Sciences has decided to award the 2023 Nobel Prize in Chemistry to Moungi G. Bawendi, Louis E. Brus and Alexei I. Ekimov for the discovery and synthesis of quantum dots.
The Nobel Prize in Chemistry 2023 rewards the discovery and development of quantum dots, nanoparticles so tiny that their size determines their properties. These smallest components of nanotechnology now spread their light from televisions and LED lamps, and can also guide surgeons when they remove tumour tissue, among many other things.
Credit: Johan Jarnestad/ The Royal Swedish Academy of Sciences
Credit: Len Rubenstein / MIT
News Sources:
https://www.nobelprize.org/prizes/chemistry/2023/press-release/
https://www.nobelprize.org/prizes/chemistry/2023/popular-information/
https://news.mit.edu/2023/mit-chemist-moungi-bawendi-shares-nobel-prize-chemistry-1004
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Scientists from United States and Hong Kong have built a “bionic eye’ that mimics a human eye in shape and function. This super human eye technology, with high imaging resolution, will be ready for integration into medical robots to take care of patients. It will even cater to the visually impaired when the researchers find suitable bio-compatible materials.
News Sources:
https://seng.ust.hk/news/20200521/prof-fan-zhiyong-leads-his-team-publish-sci-fi-inspired-super-human-eye-research
https://www.nature.com/articles/s41586-020-2285-x
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In a brand-new study, scientists from Korea and the USA have revealed a novel antenna design for use in CubeSat nanosatellites using state-of-the-art communications systems like 6G communications. Using theoretical knowledge based on origami theory, mechanical dynamics, and antenna array principles, the researchers built a small, lightweight, and reconfigurable antenna for CubeSat depending on operational mode selected. This could potentially mark the beginning of a new era in satellite communications.
Credit: Pusan National University
Research Paper: Origami-Inspired Radiation Pattern and Shape Reconfigurable Dipole Array Antenna at C-band for CubeSat Applications
https://ieeexplore.ieee.org/document/9234044
News Source: http://www.pusan.ac.kr/eng/CMS/Board/Board.do?mCode=MN104&mgr_seq=66&mode=view&mgr_seq=66&board_seq=1458595
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The Iridium Catalysed Electrolysis CubeSat Thruster (ICE-Cube Thruster) is a micro-scale rocket engine which is being developed at Imperial College London under ESA's General Support Technology Program (GSTP).
The thruster utilises the propellants of hydrogen and oxygen produced by the electrolysis of water and is designed to produce a thrust of only 4.5mN.
Credit: URA Thrusters
News Sources:
https://www.imperial.ac.uk/aeronautics/research/facilities/space-lab/ice-cube-thruster/
https://www.esa.int/ESA_Multimedia/Images/2023/09/Mini_space_thruster_that_runs_on_water
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An MIT team of engineers has designed a new touch-sensing glove that can “feel” pressure and other tactile stimuli.
Research paper: Skin-electrode iontronic interface for mechanosensing https://www.nature.com/articles/s41467-021-24946-4
News Source: https://news.mit.edu/2021/glove-sensor-pressure-stimuli-0805
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Cornell researchers have created micron-sized shape memory actuators that enable atomically thin two-dimensional materials to fold themselves into 3D configurations. All they require is a quick jolt of voltage. And once the material is bent, it holds its shape – even after the voltage is removed.
As a demonstration, the team created what is potentially the world’s smallest self-folding origami bird.
Credit: Cornell University
Research Paper: Micrometer-sized electrically programmable shape-memory actuators for low-power microrobotics https://robotics.sciencemag.org/content/6/52/eabe6663
News Source: https://news.cornell.edu/stories/2021/03/self-folding-nanotech-creates-worlds-smallest-origami-bird
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