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This breakthrough turns old tech into pure gold — No mercury, no cyanide, just light and salt
At Flinders University, scientists have cracked a cleaner and greener way to extract gold—not just from ore, but also from our mounting piles of e-waste. By using a compound normally found in pool disinfectants and a novel polymer that can be reused, the method avoids toxic chemicals like mercury and cyanide. It even works on […]
Self-lighting chip uses quantum tunneling to spot a trillionth of a gram
Imagine detecting a single trillionth of a gram of a molecule—like an amino acid—using just electricity and a chip smaller than your fingernail. That’s the power of a new quantum-enabled biosensor developed at EPFL. Ditching bulky lasers, it taps into the strange world of quantum tunneling, where electrons sneak through barriers and release light in […]
Scientists freeze quantum motion using ultrafast laser trick
Harvard and PSI scientists have managed to freeze normally fleeting quantum states in time, creating a pathway to control them using pure electronic tricks and laser precision.
Researchers develop recyclable, healable electronics
Electronics often get thrown away after use because recycling them requires extensive work for little payoff. Researchers have now found a way to change the game.
Ultra-thin lenses that make infrared light visible
Physicists have developed a lens with 'magic' properties. Ultra-thin, it can transform infrared light into visible light by halving the wavelength of incident light.
Engineers develop self-healing muscle for robots
Students recently unveiled their invention of a robotic actuator -- the 'muscle' that converts energy into a robot's physical movement -- that has the ability to detect punctures or pressure, heal the injury and repair its damage-detecting 'skin.'

Featured image of the Post on Ferromagnetic resonance (FMR) spectroscopy

Magnetism, Physics

Ferromagnetic Resonance (FMR) spectroscopy

Ferromagnetic resonance (FMR) is a powerful tool for investigating magnetism in materials. By applying a microwave field and measuring its absorption, FMR reveals details like a material's magnetization and damping. This excerpt explores the theory behind FMR, including the Kittel formula that describes the resonance condition. We'll also delve into ...

Featured Image Micromagnetics: An introductory overview

Magnetism, Physics

Micromagnetics – An Introductory Overview

Micromagnetics is a field in physics that deals with the behaviour of magnetics at a sub-micrometer dimension. This theory is based on the assumption that the length of the magnetization vector is constant, and that the energy varies slowly at the atomic scale. This will break down when approaching the ...

Featured Image of the Landau-Lifshitz-Gilbert equation (LLG)

Magnetism, Physics

The Landau-Lifshitz-Gilbert equation

To model the motion of the magnetization in the time domain, the Landau-Lifshitz (LL) equation is used. It describes the evolution in time of the magnetization in a solid.