Tag

Scientific Models

All articles tagged with #scientific models

astronomy1 year ago•5 min saved

"James Webb Space Telescope Unveils Mysteries of the Universe"

The James Webb Space Telescope has provided unexpected data that challenges scientists' understanding of the early universe, including discrepancies in the universe's age and the brightness of early galaxies. This has prompted a reevaluation of scientific models and theories. While the discrepancies remain unresolved, the telescope's data may help answer fundamental questions in astronomy, and new tools like artificial intelligence and powerful telescopes will contribute to a better understanding of the universe.

via Space.com|

#astronomy #astrophysics #early-universe

earth-science2 years ago•1 min saved

"Outdated Models: Scientists Challenge Understanding of Atmospheric Dust Origins"

Two new studies challenge the long-held assumption that the majority of global dust emissions come from North African deserts, revealing that dust emissions vary by season and across hemispheres. Existing models are outdated and inaccurate, with the total amount of dust emissions worldwide much lower than previously thought. The studies propose a new, more sensitive model based on satellite observations to improve climate change projections and scientific understanding of atmospheric dust's impact on both climate and human health.

via The Washington Post|

#atmospheric-dust #climate-change #dust-emissions

science-and-technology2 years ago•2 min saved

"Textbook Rewrite: New Water Molecule Discovery Challenges Established Models"

Researchers from the University of Cambridge and the Max Planck Institute for Polymer Research have discovered that electrically charged particles in salt water are located in a subsurface layer, challenging existing scientific models and requiring textbooks to be re-drawn. Using an upgraded laser radiation technique, the team found that ions at the surface can be oriented in both up and down directions, impacting our understanding of electrolyte solutions and potentially influencing technologies such as batteries. The research, published in Nature Chemistry, has implications for various fields, from climate change projections to energy storage.

via ScienceAlert|

#electrolyte-solutions #molecular-arrangement #research-discovery

science2 years ago•4 min saved

The Importance of Imaginary Numbers in Quantum Physics Modeling

Theoretical physicists build models of reality, some of which turn out to be right, while others do not. There are two kinds of model building: descriptive models based on available data and speculative models that try to predict the way of the world when data is scarce. A healthy scientific enterprise requires a dynamic balance between theory and experiment. Too much theory without data leads to a fog of models and idealizations that seldom have much to say about the world we live in, while too much data without theory leads to confusion. The better the balance between speculative thinking and data gathering, the healthier the science that comes out.

via Big Think|

#balance #data-gathering #experimental-science