# Latest **URL:** https://ncs.discourse.group/latest.md [Latest](https://ncs.discourse.group/latest.md) · [Categories](https://ncs.discourse.group/categories.md) --- ## [Welcome to Nuclear Criticality Safety! 👋](https://ncs.discourse.group/t/welcome-to-nuclear-criticality-safety/5)
**Author:** [@system](https://ncs.discourse.group/u/system)\ **Replies:** 0\ **Last updated:** [March 10, 2026, 6:48pm UTC](https://ncs.discourse.group/t/welcome-to-nuclear-criticality-safety/5 "2026-03-10T18:48:48Z")
We are so glad you joined us. !!!PLEASE DO NOT POST SENSITIVE INFORMATION!!! This is a short-term, temporary test forum to see if it would be a good fit for the wider community. Please do not post anything with the exp… --- ## [Reference Documents](https://ncs.discourse.group/t/reference-documents/18)
**Author:** [@Kmwessels](https://ncs.discourse.group/u/Kmwessels)\ **Replies:** 1\ **Last updated:** [September 19, 2026, 3:04pm UTC](https://ncs.discourse.group/t/reference-documents/18 "2026-09-19T15:04:52Z")
I am making this topic for people to list helpful reference documents that may not be in most engineer’s libraries. I have used LA-11711-M, A Nuclear Cross Section Data Handbook, quire a bit when I’m not getting the res… --- ## [ANS NCSD Mentor Program](https://ncs.discourse.group/t/ans-ncsd-mentor-program/17)
**Author:** [@Dallas\_Moser](https://ncs.discourse.group/u/Dallas_Moser)\ **Replies:** 0\ **Last updated:** [June 18, 2026, 8:33pm UTC](https://ncs.discourse.group/t/ans-ncsd-mentor-program/17 "2026-06-18T20:33:07Z")
UPDATE: The mentor program signup period is being extended to allow for more folks to signup. Please click the link below to join the program! Hey all! The NCSD education committee has restarted the mentor program! You… --- ## [SQA and Cloud Computing](https://ncs.discourse.group/t/sqa-and-cloud-computing/16)
**Author:** [@Dallas\_Moser](https://ncs.discourse.group/u/Dallas_Moser)\ **Replies:** 0\ **Last updated:** [May 13, 2026, 1:12pm UTC](https://ncs.discourse.group/t/sqa-and-cloud-computing/16 "2026-05-13T13:12:53Z")
I assume most people use local machines to run SCALE or MCNP on (either desktops, laptops, or computing clusters), but has anyone successfully used cloud computing options like AWS with the right configuration control to… --- ## [Array Markings: What kind?](https://ncs.discourse.group/t/array-markings-what-kind/11)
**Author:** [@Dallas\_Moser](https://ncs.discourse.group/u/Dallas_Moser)\ **Replies:** 2\ **Last updated:** [April 28, 2026, 6:55pm UTC](https://ncs.discourse.group/t/array-markings-what-kind/11 "2026-04-28T18:55:47Z")
What kind of array marking do you all use? I’ve seen both paint and tape used to mark fissile storage arrays, but is anyone using something like a projector for array lines? Any thoughts on pros/cons for any of these opt… --- ## [Beginner CAAS References](https://ncs.discourse.group/t/beginner-caas-references/9)
**Author:** [@Dallas\_Moser](https://ncs.discourse.group/u/Dallas_Moser)\ **Replies:** 1\ **Last updated:** [March 11, 2026, 12:27am UTC](https://ncs.discourse.group/t/beginner-caas-references/9 "2026-03-11T00:27:14Z")
I’m trying to learn how to do a CAAS detector placement study for the first time. Does anyone know of good references to get me going? I know the SCALE manual has a.good section for CAAS using MAVERIC, but I’m needing t… --- ## [Simple Python Example for Writing Inputs](https://ncs.discourse.group/t/simple-python-example-for-writing-inputs/15)
**Author:** [@Dallas\_Moser](https://ncs.discourse.group/u/Dallas_Moser)\ **Replies:** 0\ **Last updated:** [March 11, 2026, 12:23am UTC](https://ncs.discourse.group/t/simple-python-example-for-writing-inputs/15 "2026-03-11T00:23:07Z")
Hey all! I thought I’d share a simple example for how you can automate input generation with Python. Introduction In this example, I’m just going to make 100% 235U metal spheres at 5 different radii. I’ll be doing this… --- ## [Training Recommendations: NCS Adjacent Training](https://ncs.discourse.group/t/training-recommendations-ncs-adjacent-training/14)
**Author:** [@Dallas\_Moser](https://ncs.discourse.group/u/Dallas_Moser)\ **Replies:** 0\ **Last updated:** [March 10, 2026, 7:47pm UTC](https://ncs.discourse.group/t/training-recommendations-ncs-adjacent-training/14 "2026-03-10T19:47:43Z")
The NDA for NCS course at ORNL was really helpful in learning more about how NDA is used for hold up measurements. Are there other NCS-adjacent trainings that would be helpful for a more well-rounded understanding? Even …