National Academies of Sciences%2c Engineering%2c and Medicine

Limiting Future Collision Risk to Spacecraft: An Assessment of NASA's Meteoroid and Orbital Debris Programs

As indicated in Chapter 1, “Introduction and Historical Background,” NASA’s meteoroid and orbital debris (MMOD) models create the foundation for the technical services provided by the Orbital Debris ...
EurekAlert!

Mathematical model illuminates how environment impacts life choices of salmon

Researchers built a mathematical model looking at how the migratory choices of female masu salmon change in different environmental conditions. Tokyo, Japan – Researchers from Tokyo Metropolitan ...
C&EN

Computer model shows many paths to cutting plastic pollution

Enacting a combination of four policies could reduce mismanaged plastic waste by 91% and greenhouse gas (GHG) emissions by about 37% third by 2050, according to a model created by scientists at the ...
Business Insider

When Warren Washington created the first climate model, he had no idea how necessary it was. He just won the 'Nobel Prize for the environment.'

Warren Washington has been in the climate game a long time. The 82-year-old was the second African American ever to receive a doctorate in meteorology, earning his PhD from Pennsylvania State ...
GPS World

Simulating multipath in real time for receiver evaluation

A real-time system combining a simulator and a GNSS propagation model reproduces an authentic multipath environment. The propagation model relies on a 3D-model reconstruction of the urban environment, ...