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Hansel and Gretel's breadcrumb trick inspires robotic exploration of caves on Mars and beyond

University of Arizona engineers create a communication network allowing robots to explore subsurface environments independently, deploying miniaturized sensors as they traverse caves. The 'breadcrumb-style' system enables swarms of individual robots to navigate convoluted environments without losing contact.

SourceUniversity of Arizona·JournalAdvances in Space Research·TypeComputational simulation/modeling·DateMar 17, 2023

Hansel and Gretel's breadcrumb trick inspires robotic exploration of caves on Mars and beyond

University of Arizona engineers create autonomous vehicle system that allows robots to scout out underground habitats on other planets. The 'Breadcrumb-Style Dynamically Deployed Communication Network' paradigm enables robots to work together without human input, addressing NASA's space technology grand challenges.

SourceUniversity of Arizona·JournalAdvances in Space Research·TypeComputational simulation/modeling·DateMar 1, 2023

SwRI models explain canyons on Pluto moon

Researchers used computational simulations to model Charon's internal ocean freeze and its effects on the moon's surface. The study found that the freezing of an internal ocean may have formed deep depressions along Charon's girth but was unlikely to lead to cryovolcanoes erupting with ice and water in its northern hemisphere.

SourceSouthwest Research Institute·JournalIcarus·TypeComputational simulation/modeling·DateFeb 7, 2023

Chang'E-5 mission returned samples shed new light on our moon's surface makeup and geologic history

The Chang'E-5 mission returned samples that revealed a previously unknown iron-rich and high-calcium surface of basalts, challenging previous assumptions about the lunar geology community. The samples were primarily composed of pyroxene, contradicting earlier studies that indicated a high abundance of olivine.

SourceChinese Academy of Sciences Headquarters·JournalNature Communications·DateOct 19, 2022

Moons may yield clues to what makes planets habitable

Researchers found that only certain types of planets can form large moons in respect to their host planets. They propose that smaller planets are better candidates to host fractionally large moons. This study provides constraints for future observations and sheds light on the formation of Earth's unique moon.

SourceUniversity of Rochester·TypeComputational simulation/modeling·DateFeb 1, 2022

Strike-slip faulting may be active deformation mechanism on Saturn’s largest moon, Titan

A recent study suggests that strike-slip faulting is an active deformation mechanism on Titan's surface, driven by diurnal tidal stresses and pore fluid pressures. The researchers found that shallow faults near the equator are optimally oriented for potential failure, which could facilitate material transport and affect habitability.

SourceUniversity of Hawaii at Manoa·JournalIcarus·TypeComputational simulation/modeling·DateOct 8, 2021

Astronomy and Landscape in the city of Caral, the oldest city in the Americas

A study published in Latin American Antiquity reveals that the Supe Culture's pyramidal buildings in Caral, Peru, were aligned with lunar cycles and topographic features, indicating a sophisticated understanding of astronomy and landscape by ancient inhabitants. The researchers found that the buildings' orientations coincide with the m...

SourceInstituto de Astrofísica de Canarias (IAC)·JournalLatin American Antiquity·DateMar 29, 2021

Textile-fiber-embedded multiluminescent device for future wearable devices

Dr. Soon Moon Jeong's team creates a new light-emitting technology using in-plane electro-luminescent technology that inserts electrodes into a luminous layer, overcoming existing limitations. The device emits light more flexibly and stably than traditional devices, with applications in wearable devices and textiles.

Likelihood of e-book purchases increase 31% by combining previews and reviews

Research reveals that consumers leverage a combination of e-book previews and reviews when making purchasing decisions, resulting in a 31% increase in purchase likelihood. The study found that exposure to both previews and reviews significantly influenced consumer behavior, whereas individual components had limited impact.

SourceInstitute for Operations Research and the Management Sciences·JournalInformation Systems Research·DateJan 30, 2020

Enabling longer space missions

Researchers used computer modeling and laboratory tests to investigate how changing gas flow rates and magnetic field sizes affect Hall thruster performance. They found that maintaining optimal ionization and acceleration regions can prolong the life of these systems, making them suitable for even longer space missions.

SourceSpringer·JournalThe European Physical Journal D·DateAug 20, 2019

Cellular stress at the movies

Biological imaging experts at Colorado State University have used a custom fluorescence microscope to capture individual RNA molecules interacting with stress granules. The results show that RNA translation is completely silenced before the RNAs enter the stress granules, providing unprecedented details of the cellular stress response.

SourceColorado State University·JournalNature Cell Biology·DateJan 25, 2019

Half moons and pinch points: Same physics, different energy

Researchers at OIST Graduate University have developed a unified theory explaining the formation of pinch points and half moons in frustrated magnets. The theory reveals that these patterns arise from the same underlying physics, with pinch points representing equilibrium and half moons signifying violation of local conservation laws.

UNIST unveils new fast-charging, high-energy electric-car battery technology

Researchers at UNIST have developed a novel hydrogen isotope separation system based on porous metal organic frameworks, exhibiting the highest selectivity to date. The system can efficiently separate and store deuterium, with a separation factor of 26, making it more cost-effective than cryogenic distillation methods.

SourceUlsan National Institute of Science and Technology(UNIST)·JournalJournal of the American Chemical Society·DateOct 30, 2017

Saying goodbye to glaciers

The melting of glacial ice contributes to sea-level rise, displacing millions of people, while glaciers also serve as a source of fresh water. However, researchers like Twila Moon warn that glaciers are shrinking at an alarming rate, with devastating consequences for the planet's weather and climate systems.

Too many minions spoil the plot

Researchers show that large groups of people sharing in a conspiracy will very quickly give themselves away, using equation to estimate time before exposure. For instance, moon landing hoax would be revealed in just 3 years and 8 months.

SourceUniversity of Oxford·JournalPLOS ONE·DateJan 26, 2016