The authors combine biologically-inspired learning techniques with neuromorphic hardware to implement an energy-efficient system that demonstrates rapid learning of unseen tasks across various domains.
Category: computing – Page 152
JUPITER BRAINS — Planet-Sized Computers
If we can turn an entire planet into a computer. It might be the last thing human civilization ever needs to invent.
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Brain-Computer Interfaces
BCIs, Brain-Computer Interfaces, are no longer the technology of the future but of today. As this these devices improve and move from the lab to humans, what challenges and advantages will we gain, and how do they work?
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Credits:
Brain-Computer Interfaces.
Science & Futurism with Isaac Arthur.
Episode 296, June 24, 2021
Produced, written, and narrated by isaac arthur.
Editors:
Jerry Guern.
Keith Blockus.
Konstantin Sokerin.
Cover Art:
Study demonstrates phase-tunable spin-wave-mediated mutual synchronization of spin Hall nano-oscillators
Spin Hall nano-oscillators (SHNOs) are nanoscale spintronic devices that convert direct current into high-frequency microwave signals through spin wave auto-oscillations. This is a type of nonlinear magnetization oscillations that are self-sustained without the need for a periodic external force.
Theoretical and simulation studies found that propagating spin-wave modes, in which spin waves move across materials instead of being confined to the auto-oscillation region, can promote the coupling between SHNOs.
This coupling may in turn be harnessed to adjust the timing of oscillations in these devices, which could be advantageous for the development of neuromorphic computing systems and other spintronic devices.
The Quantum Twist: Scientists Unlock a New Way to Control Electrons
Electrons have a hidden feature — spin — that could revolutionize technology. Magnets can control it, but researchers are now exploring chiral molecules as an alternative. These uniquely shaped molecules might help direct electron spin just as well, opening new possibilities for future electronics.
Electrons are well known for their negative charge, which plays a key role in electric currents. However, they also possess another important property: spin, or magnetic moment. This characteristic has significant potential for improving data storage technologies, but controlling electron spin has proven challenging.
Specifically, isolating electrons with a particular spin direction, such as spin-up, is difficult. One established method involves passing an electric current through a ferromagnetic material, like iron. This process aligns the spin polarization of the electrons with the material’s magnetic field.
Forget Silicon — DNA Might Be the Future of Quantum Computing
Researchers have uncovered a way to manipulate DNA
DNA, or deoxyribonucleic acid, is a molecule composed of two long strands of nucleotides that coil around each other to form a double helix. It is the hereditary material in humans and almost all other organisms that carries genetic instructions for development, functioning, growth, and reproduction. Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).
From desktop to benchtop with automated computational workflows for computer-aided design in asymmetric catalysis
Computational chemistry has remained largely inaccessible to the experimental chemistry community. Here we report the VIRTUAL CHEMIST, a software suite free for academic use, that enables organic chemists without expertise in computational chemistry to perform virtual screening experiments for asymmetric catalyst discovery and design.
Physicists Just Discovered a Strange Atomic Effect That Could Supercharge Quantum Computing
Researchers are exploring multi-level atomic interactions to enhance quantum entanglement. Using metastable states in strontium, they demonstrate how photon.
A photon is a particle of light. It is the basic unit of light and other electromagnetic radiation, and is responsible for the electromagnetic force, one of the four fundamental forces of nature. Photons have no mass, but they do have energy and momentum. They travel at the speed of light in a vacuum, and can have different wavelengths, which correspond to different colors of light. Photons can also have different energies, which correspond to different frequencies of light.
