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  • This battery self-destructs: Biodegradable power inspired by 'Mission: Impossible'
    Scientists at Binghamton University are bringing a sci-fi fantasy to life by developing tiny batteries that vanish after use inspired by Mission: Impossible. Led by Professor Seokheun Choi, the team is tackling one of the trickiest parts of biodegradable electronics: the power source. Instead of using toxic materials, they re exploring probiotics friendly bacteria often […]
  • 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.
  • Discovery could boost solid-state battery performance
    Researchers have discovered that the mixing of small particles between two solid electrolytes can generate an effect called a 'space charge layer,' an accumulation of electric charge at the interface between the two materials. The finding could aid the development of batteries with solid electrolytes, called solid-state batteries, for applications including mobile devices and electric […]
  • 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 Spin Pumping: An introductory overview
Magnetism, Physics

Spin pumping: An Introductory Overview

With STT, we have seen that a current can move magnetization, but the reciprocal effect is also possible, namely the generation of a spin current by magnetization motion. This phenomenon is called spin pumping and it is essential for developing spintronic devices, which utilize the spin of electrons rather than ...
Fig 5. Illustration of a quantum mechanics calculation of the reflected spin current.
Magnetism, Physics

Spin-Transfer Torque: An Introductory Overview

Next to the charge, electrons also posses spins. In normal electronic circuits it is of (hardly) no use, as they are orientated randomly in non-ferromagnetic materials. However, when we integrate ferromagnetic components into these devices, the itinerant electrons can become partially spin polarized, with their spins taking on a more ...
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