Engineering: Robotics Research
Published

Robotic grippers offer unprecedented combo of strength and delicacy      (via sciencedaily.com) 

New robotic grippers are flexible enough to handle soft and fragile objects as well as heavier ones.

Offbeat: Space Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: Structures and Features Space: The Solar System
Published

Gravitational arcs in 'El Gordo' galaxy cluster      (via sciencedaily.com) 

A new image of the galaxy cluster known as 'El Gordo' is revealing distant and dusty objects never seen before, and providing a bounty of fresh science. The infrared image displays a variety of unusual, distorted background galaxies that were only hinted at in previous Hubble Space Telescope images.

Environmental: Ecosystems Geoscience: Geology Space: Exploration Space: The Solar System
Published

Dune patterns reveal environmental change on Earth and other planets      (via sciencedaily.com)     Original source 

Researchers have analyzed the shifting patterns of entire dune fields on Earth and Mars, as seen from orbit, and found they are a direct signature of recent environmental change. This new tool can be applied anywhere with dunes, such as Mars, Titan, and Venus.

Geoscience: Geology Paleontology: Fossils Space: The Solar System
Published

Earth's most ancient impact craters are disappearing      (via sciencedaily.com)     Original source 

Earth's oldest craters could give scientists critical information about the structure of the early Earth and the composition of bodies in the solar system as well as help to interpret crater records on other planets. But geologists can't find them, and they might never be able to, according to a new study.

Energy: Alternative Fuels Geoscience: Geology Geoscience: Geomagnetic Storms Offbeat: Earth and Climate Offbeat: Space Physics: Optics Space: The Solar System
Published

Sun 'umbrella' tethered to asteroid might help mitigate climate change      (via sciencedaily.com)     Original source 

Earth is rapidly warming and scientists are developing a variety of approaches to reduce the effects of climate change. An astronomer has proposed a novel approach -- a solar shield to reduce the amount of sunlight hitting Earth, combined with a tethered, captured asteroid as a counterweight. Engineering studies using this approach could start now to create a workable design that could mitigate climate change within decades.

Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: The Solar System
Published

New clues on the source of the universe's magnetic fields      (via sciencedaily.com) 

Researchers offer insight into the source of cosmic magnetic fields. The research team used models to show that magnetic fields may spontaneously arise in turbulent plasma. Their simulations showed that, in addition to generating new magnetic fields, the turbulence of those plasmas can also amplify magnetic fields once they've been generated, which helps explain how magnetic fields that originate on small scales can sometimes eventually reach to stretch across vast distances.

Space: Astronomy Space: Exploration Space: The Solar System
Published

New algorithm ensnares its first 'potentially hazardous' asteroid      (via sciencedaily.com) 

An asteroid discovery algorithm -- designed to uncover near-Earth asteroids for the Vera C. Rubin Observatory's upcoming 10-year survey of the night sky -- has identified its first 'potentially hazardous' asteroid, a term for space rocks in Earth's vicinity that scientists like to keep an eye on. The roughly 600-foot-long asteroid, designated 2022 SF289, was discovered during a test drive of the algorithm with the ATLAS survey in Hawaii. Finding 2022 SF289, which poses no risk to Earth for the foreseeable future, confirms that the next-generation algorithm, known as HelioLinc3D, can identify near-Earth asteroids with fewer and more dispersed observations than required by today's methods.

Computer Science: Artificial Intelligence (AI) Computer Science: General Engineering: Robotics Research
Published

Reinforcement learning allows underwater robots to locate and track objects underwater      (via sciencedaily.com) 

A team has shown that reinforcement learning -i.e., a neural network that learns the best action to perform at each moment based on a series of rewards- allows autonomous vehicles and underwater robots to locate and carefully track marine objects and animals.

Computer Science: Artificial Intelligence (AI) Engineering: Robotics Research
Published

This 3D printed gripper doesn't need electronics to function      (via sciencedaily.com) 

This soft robotic gripper is not only 3D printed in one print, it also doesn't need any electronics to work.

Space: Astronomy Space: Exploration Space: The Solar System
Published

James Webb Space Telescope sees Jupiter moons in a new light      (via sciencedaily.com) 

Last year, JWST made spectral observations of Ganymede and infrared observations of Io. Absorption lines of hydrogen peroxide at Ganymede's poles indicate radiolysis of water ice by charged particles funneled by the moon's magnetic field. Io had two major eruptions, one associated with a forbidden emission line of sulfur monoxide. The latter supports a theory that SO is produced at volcanic vents in a thin atmosphere that allows forbidden emission before collisions destroy the excited state.

Computer Science: Artificial Intelligence (AI) Engineering: Robotics Research Offbeat: Computers and Math
Published

Researchers develop low-cost sensor to enhance robots' sense of touch      (via sciencedaily.com) 

Researchers have developed an L3 F-TOUCH sensor to enhance tactile capabilities in robots, allowing it to 'feel' objects and adjust its grip accordingly.

Space: Astronomy Space: Astrophysics Space: Exploration Space: Structures and Features Space: The Solar System
Published

Hubble sees evaporating planet getting the hiccups      (via sciencedaily.com) 

A young planet whirling around a petulant red dwarf star is changing in unpredictable ways orbit-by-orbit. It is so close to its parent star that it experiences a consistent, torrential blast of energy, which evaporates its hydrogen atmosphere -- causing it to puff off the planet.

Offbeat: Space Space: Astronomy Space: Exploration Space: Structures and Features Space: The Solar System
Published

Using cosmic weather to study which worlds could support life      (via sciencedaily.com) 

As the next generation of giant, high-powered observatories begin to come online, a new study suggests that their instruments may offer scientists an unparalleled opportunity to discern what weather may be like on far-away exoplanets.

Computer Science: Artificial Intelligence (AI) Engineering: Robotics Research Mathematics: Modeling Offbeat: Computers and Math
Published

A simpler method for learning to control a robot      (via sciencedaily.com) 

A new machine-learning technique can efficiently learn to control a robot, leading to better performance with fewer data.

Computer Science: Artificial Intelligence (AI) Engineering: Robotics Research Offbeat: Computers and Math
Published

Robotic hand rotates objects using touch, not vision      (via sciencedaily.com) 

Inspired by the effortless way humans handle objects without seeing them, engineers have developed a new approach that enables a robotic hand to rotate objects solely through touch, without relying on vision.

Computer Science: Artificial Intelligence (AI) Engineering: Robotics Research
Published

Robot preachers get less respect, fewer donations      (via sciencedaily.com) 

As artificial intelligence expands across more professions, robot preachers and AI programs offer new means of sharing religious beliefs, but they may undermine credibility and reduce donations for religious groups that rely on them.

Space: Astronomy Space: Exploration Space: The Solar System
Published

In new space race, scientists propose geoarchaeology can aid in preserving space heritage      (via sciencedaily.com) 

The material record that currently exists on the moon is rapidly becoming at risk of being destroyed if proper attention isn't paid during the new space era, scientists say. They propose a new scientific subfield: planetary geoarchaeology, the study of how cultural and natural processes on Earth's moon, on Mars and across the solar system may be altering, preserving or destroying the material record of space exploration.

Offbeat: Space Space: Exploration Space: The Solar System
Published

Ancient, high-energy impacts could have fueled Venus volcanism      (via sciencedaily.com)     Original source 

A team has modeled the early impact history of Venus to explain how Earth's sister planet has maintained a youthful surface despite lacking plate tectonics. The team compared the early collision histories of the two bodies and determined that Venus likely experienced higher-speed, higher-energy impacts creating a super-heated core that promoted extended volcanism and resurfaced the planet.