I'm new to Blender. I just finished a lava lamp tutorial and it turned out good, but after I saved it and reopened it later, the physics were all messed up. Why
Lava Lamp Animation Tutorial - BlenderNation
Creating Glowing Surface Cracks in Blender Cycles - BlenderNation
Lava River in cycles. Free 4K lossless + variation in comments. : r/blender