![Visualization of two maxima, as was found in NIF topological analysis](/sites/default/files/styles/front_page_card/public/topological-llnl-project-card.png?itok=pgf2vxMI)
Topological Analysis
LLNL and University of Utah researchers have developed an advanced, intuitive method for analyzing and visualizing complex data sets.
![abstract image of ones and zeros on an information highway](/sites/default/files/styles/front_page_card/public/hzip-llnl-project-card.png?itok=JV2Rdut5)
HZIP
hzip 1.0.1 is a C++ library for lossless compression of structured and unstructured meshes composed of cells with hypercube topology.
![PSUADE logo](/sites/default/files/styles/front_page_card/public/psuade-llnl-project-card.png?itok=mQavdEyw)
PSUADE
The flourishing of simulation-based scientific discovery has also resulted in the emergence of the UQ discipline, which is essential for validating and verifying computer models.
![students and mentors strike casual poses in the UCLCC meeting room](/sites/default/files/styles/front_page_card/public/2023-08/DSC-2023-comp-news.png?itok=ynVypMBI)
Data Science Challenge tackles ML-assisted heart modeling
The event brought together 35 University of California students—ranging from undergraduates to graduate-level students from a diversity of majors—to work in groups to solve four key tasks, using actual electrocardiogram data to predict heart health.
![Real scanning electron microscope image of TATB powder, alongside a hypothetical scanning electron microscope image of TATB powder made to optimize its peak stress. The hypothetical image is made of smaller grains.](/sites/default/files/styles/front_page_card/public/2023-07/XAI_TATB_432x285.jpg?itok=XMmChs4_)
Explainable artificial intelligence can enhance scientific workflows
Using explainable artificial intelligence techniques can help increase the reach of machine learning applications in materials science, making the process of designing new materials much more efficient.
![rainbow-colored Mercator-like map of the world with red zones near the equator and blue zones near the poles](/sites/default/files/styles/front_page_card/public/2023-06/VisIt-color-blind-leaderboard.png?itok=40LVSqoG)
VisIt project team adds color usability improvements
The Lab’s workhorse visualization tool provides expanded color map features, including for visually impaired users.