Technical report: LEDs change laboratory measurements of light
The International Commission on Illumination (CIE) has published Technical Report CIE 251:2023 LED Reference Spectrum for Photometer Calibration, related to […]
Physics
Physics
North American turtles becoming endemic in South Baden, possibly posing a threat to ecosystems
Non-native turtles are reproducing independently in the wild in Germany. Environmental researcher Benno Tietz and biologist Dr. Johannes Penner of
Physics
New study maps transience of NZ population
The nationwide geospatial study—’Towards a better understanding of residential mobility and the environments in which adults reside’—looks at the patterns
Mathematics
Modeling the Mirascope Using Dynamic Technology
This article analyzes the physical and mathematical properties of the mirascope and models the mirascope using dynamic learning technology Read
Mathematics
Rethinking Pythagoras
This article explores analogues of the Pythagorean Theorem in non-Euclidean geometries. Read More
Mathematics
A Political Redistricting Tool for the Rest of Us
In the United States, congressional districts are redrawn every ten years based on changes in population revealed by the census.
Mathematics
The Japanese Theorem for Nonconvex Polygons
Abstract. The so-called “Japanese theorem” dates back over 200 years; in its original form it states that given a quadrilateral
Physics
Study: Fertilization unnecessary in oak forests planted on former agricultural land
Low availability of nutrients often limits productivity in northern forests. In a trial with nutrient optimization, researchers at Linnaeus University
Physics
Cu/CuNC dual-site interface promotes carbon dioxide electroreduction to ethanol
Reducing the energy consumption is one of requirements for scalable electrochemical energy conversion and electrosynthesis, including electrochemical reduction of CO2
Physics
Spraying compound probiotics improves growth performance, modulates gut microbiota of suckling piglets
One factor that shapes the establishment of early neonatal intestinal microbiota is environmental microbial exposure, and probiotic application has been