New “metalens” shifts focus without tilting or moving
The design may enable miniature zoom lenses for drones, cellphones, or night-vision goggles.Credit: Image courtesy of Tian Gu, et al ...
Tag: Chemistry/Physics/Materials Sciences
Low-loss single-mode hybrid-lattice hollow-core photonic crystal fiber
Credit: by Foued Amrani, Jonas H. Osório, Frédéric Delahaye, Fabio Giovanardi, Luca Vincetti, Benoît Debord, Frédéric Gérôme, Fetah Benabid... Recent ...
The perfect recipe for efficient perovskite solar cells
Credit: HZB/Jinzhao Li They have improved a process for vertically depositing a solution made from an inexpensive perovskite solute onto ...
Magnetic effect without a magnet
Surprise in solid-state physics: The Hall effect, which normally requires magnetic fields, can also be generated in a completely different ...
Can bacteria make stronger cars, airplanes and armor?
USC researchers harness the power of living organisms to make materials that are strong, tolerant and resilientCredit: Qiming Wang, USC ...
New catalyst could enable better lithium-sulfur batteries, power next-gen electronics
Novel catalyst material promises long-lasting, high-capacity, next-generation rechargeable batteriesCredit: Gwangju Institute of Science and Technology At the heart of most ...
Drones used to locate dangerous, unplugged oil wells
Credit: Binghamton University, State University of New York BINGHAMTON, NY -- There are millions of unplugged oil wells in the ...
Optical frequency combs found a new dimension
Credit: EPFL/Alexey Tikan Periodic pulses of light forming a comb in the frequency domain are widely used for sensing and ...
A speed limit also applies in the quantum world
Study by the University of Bonn determines minimum time for complex quantum operationsCredit: © Volker Lannert/Uni Bonn Even in the ...
RUDN University chemist used iodine to synthesize new chalcogenides
Credit: RUDN University A chemist from RUDN University, working with a group of colleagues, synthesized three new chalcogenides (compounds that ...
Life of a pure Martian design
Credit: © Tetyana Milojevic Early Mars is considered as an environment where life could possibly have existed. There was a ...
Atomic nuclei in the quantum swing
The extremely precise control of nuclear excitations opens up possibilities of ultra-precise atomic clocks and powerful nuclear batteriesCredit: MPI for ...
Seeing stable topology using instabilities
Scientists decipher fingerprints of topological phases of light in nonlinear optical instabilitiesCredit: Institute for Basic Science We are most familiar ...
Amination strategy improves efficiency of CO2 electrocatalytic reduction
Credit: CHEN Zhipeng Carbon dioxide (CO2) electrocatalytic reduction driven by renewable electricity can solve the problem of excessive CO2 emissions. ...
Tuning electrode surfaces to optimize solar fuel production
An electrode material with modified surface atoms generates more electrical current, which drives the sunlight-powered reactions that split water into ...
‘Mercury Stories: Understanding Sustainability through a Volatile Element’
New MIT PRESS book explores volatile element mercuryCredit: The MIT PRESS, 2020. In "Mercury Stories," Henrik Selin and Noelle Eckley ...
Investigating the wave properties of matter with vibrating molecules
Physics: Publication in Nature PhysicsCredit: HHU / Soroosh Alighanbari Almost 100 years ago, a revolutionary discovery was made in the ...
How lithium-rich cathode materials for high energy EV batteries store charge at hig
Credit: WMG, University of Warwick By 2030 only EV's will be in production, meaning manufacturers are racing to create a ...
COVID, one year later: What do we know now? (video)
Credit: The American Chemical Society WASHINGTON, Feb. 18, 2020 -- At the start of the COVID-19 pandemic, we switched up ...
Edible holograms could someday decorate foods
Credit: Adapted from ACS Nano 2021, DOI: 10.1021/acsnano.0c02438 Holograms are everywhere, from driver's licenses to credit cards to product packaging. ...