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Computer scientists discover new vulnerability affecting computers globally Posted: 30 Apr 2021 01:59 PM PDT A team o computer science researchers has uncovered a line of attack that breaks all Spectre defenses, meaning that billions of computers and other devices across the globe are just as vulnerable today as they were when Spectre was first announced. |
Neural nets used to rethink material design Posted: 30 Apr 2021 01:58 PM PDT Engineers are using neural networks to accelerate predictions of how the microstructures of materials evolve. The machine-learning technique should speed the development of novel materials. |
Not just for finding planets: Exoplanet-hunter TESS telescope spots bright gamma-ray burst Posted: 30 Apr 2021 10:54 AM PDT NASA has a long tradition of unexpected discoveries, and the space program's TESS mission is no different. Astrophysicists have discovered a particularly bright gamma-ray burst using a NASA telescope designed to find exoplanets - those occurring outside our solar system - particularly those that might be able to support life. It's the first time a gamma-ray burst has been found this way. |
Move over CRISPR, the Retrons are coming Posted: 30 Apr 2021 09:04 AM PDT Researchers have created a new gene editing tool called Retron Library Recombineering (RLR) that can generate up to millions of mutations simultaneously, and 'barcodes' mutant bacterial cells so that the entire pool can be screened at once. It can be used in contexts where CRISPR is toxic or not feasible, and results in better editing rates. |
Milestone for next-gen acceleration experiment Posted: 30 Apr 2021 09:03 AM PDT The future of particle acceleration has begun. Awake is a promising concept for a completely new method with which particles can be accelerated even over short distances. The basis for this is a plasma wave that accelerates electrons and thus brings them to high energies. A team now reports a breakthrough in this context. For the first time, they were able to precisely time the production of the proton microbunches that drive the wave in the plasma. This fulfills an important prerequisite for using the Awake technology for collision experiments. |
Fiber-optic ultrasonic imaging probe for future nanoscale disease diagnostics Posted: 30 Apr 2021 09:03 AM PDT Scientists have developed an ultrasonic imaging system, which can be deployed on the tip of a hair-thin optical fiber, and will be insertable into the human body to visualize cell abnormalities in 3D. |
Researchers analyzed circulating currents inside gold nanoparticles Posted: 30 Apr 2021 09:03 AM PDT Researchers have developed a method that allows for simulation and visualization of magnetic-field-induced electron currents inside gold nanoparticles. The method facilitates accurate analysis of magnetic field effects inside complex nanostructures in nuclear magnetic resonance measurements and establishes quantitative criteria for aromaticity of nanoparticles. |
A silver lining for extreme electronics Posted: 30 Apr 2021 06:32 AM PDT Researchers are building tougher circuits to help withstand the grueling demands of energy production, space exploration and more. |
Defect that limits hybrid perovskites solar-cell performance identified Posted: 30 Apr 2021 06:31 AM PDT Researchers have uncovered a major cause of limitations to efficiency in a new generation of solar cells. |
Posted: 30 Apr 2021 06:31 AM PDT The field of soft robotics has exploded in the past decade, as ever more researchers seek to make real the potential of these pliant, flexible automata in a variety of realms, including search and rescue, exploration and medicine. |
Small galaxies likely played important role in evolution of the Universe Posted: 30 Apr 2021 06:31 AM PDT A study found evidence of a galaxy in a 'blow-away' state, which could give more insight into the Universe's early stages. |
Using cosmic-ray neutron bursts to understand gamma-ray bursts from lightning Posted: 28 Apr 2021 10:30 AM PDT Analysis of data from a lightning mapper and a small, hand-held radiation detector has unexpectedly shed light on what a gamma-ray burst from lightning might look like - by observing neutrons generated from soil by very large cosmic-ray showers. |
Driving behaviors harbor early signals of dementia Posted: 28 Apr 2021 10:29 AM PDT Using naturalistic driving data and machine learning techniques, researchers have developed highly accurate algorithms for detecting mild cognitive impairment and dementia in older drivers. Naturalistic driving data refer to data captured through in-vehicle recording devices or other technologies in the real-world setting. These data could be processed to measure driving exposure, space and performance in great detail. |
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