![mesh of red ovals on a blue background](/sites/default/files/styles/front_page_card/public/ardra-llnl-project-card.png?itok=KmFt4ZEC)
Ardra
Researchers are testing and enhancing a neutral particle transport code and its algorithm to ensure that they successfully scale to larger and more complex computing systems.
![Visualization of Space Debris](/sites/default/files/styles/front_page_card/public/tessa-llnl-project-card.png?itok=JNbqvSwD)
TESSA
Testbed Environment for Space Situational Awareness software helps to track satellites and space debris and prevent collisions.
![QMD simulation](/sites/default/files/styles/front_page_card/public/qmd-llnl-project-card.png?itok=547Lot18)
Quantum Molecular Dynamics
A new algorithm for use with first-principles molecular dynamics codes enables the number of atoms simulated to be proportional to the number of processors available.
![Scattered fluffy clouds in the sky.](/sites/default/files/styles/front_page_card/public/2023-06/stratocumulus_Comp-ext_0.jpg?itok=KXAi_-vo)
Improving models of clouds and atmospheric turbulence
With simple mathematical modifications to a common model of clouds and turbulence, LLNL scientists and their collaborators helped minimize nonphysical results.
![cartoon of a person at a computer with a dog nearby](/sites/default/files/styles/front_page_card/public/2023-05/bssw-developer-survey.png?itok=Sqx6LZOx)
Surveys to understand developer health and happiness
Computer scientist Vanessa Sochat talks to BSSw about a recent effort to survey software developer needs at LLNL.
![cartoon of workers assembling a fusion reactor](/sites/default/files/styles/front_page_card/public/2023-04/github-oss-fusion.png?itok=f-ICeAYY)
Open source is fueling the future of nuclear physics
Open-source software has played a key role in paving the way for LLNL's ignition breakthrough, and will continue to help push the field forward.