Researchers at Georgia Institute of Technology and the Pontifical Catholic University of Rio de Janeiro (Brazil) have uncovered a new approach o structural topology optimization is outlined that unifies both design and manufacturing to create novel microstructures. Potential applications range from improved facial implants for cranial reconstruction to better ways to get materials into space for planetary exploration.
Astronauts who spend prolonged time alone in space face mental health stressors like loneliness, isolation and more. A University of Houston psychologist developed the Mental Health Checklist, a self-reporting instrument for detecting mental health changes in isolated, confined, extreme environments. She's reporting results that show significant declines in positive emotions.
Monitoring environmental compliance is a particular challenge for governments in poor countries. A new machine learning approach that uses satellite imagery to pinpoint highly polluting brick kilns in Bangladesh could provide a low-cost solution. (Watch video: https://www.youtube.com/watch?v=LHvRgKmJOK8)
It will take until at least 2080 before women make up just one-third of Australia's professional astronomers, an analysis published today in the journal Nature Astronomy reveals.
Research shows that a new telescope could detect a potential signature of life on other planets in as little as 60 hours.
Faced with the tragic loss of the Arecibo observatory in Puerto Rico and the often prohibitive cost of satellite missions, astronomers are searching for savvy alternatives to continue answering fundamental questions in physics.
In recent years there has been an exhaustive study of red dwarf stars to find exoplanets in orbit around them. These stars have effective surface temperatures between 2400 and 3700 K (over 2000 degrees cooler than the Sun), and masses between 0.08 and 0.45 solar masses.
A team led by McGill University researchers and members of Canada's CHIME Fast Radio Burst collaboration has established that fast radio bursts (FRBs) include radio waves at frequencies lower than ever detected before, a discovery that redraws the boundaries for theoretical astrophysicists trying to put their finger on the source of FRBs.
A survey of star formation activity in the Orion Nebula Cluster found similar mass distributions for newborn stars and dense gas cores, which may evolve into stars. Counterintuitively, this means that the amount of gas a core accretes as it develops, and not the initial mass of the core, is the key factor in deciding the final mass of the produced star.
A team of scientists used a telescope on the International Space Station to measure the size of PSR J0740+6620 (J0740, for short), the most massive known neutron star. NASA's Neutron star Interior Composition Explorer (NICER) has captured unprecedented detail from this stellar remnant to learn more about matter in its core, which is on the threshold of collapsing into a black hole.