Nuclear Science-1.21.1-0.9.1 is a release file of the Minecraft mod Nuclear Science for NeoForge, made for Minecraft 1.21.1. It was published on October 14, 2026 and is 6 MB in size. For the full description, screenshots and every other version, visit the Nuclear Science mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
