This is the "original file," recorded when a rock first cools from lava or settles as sediment.
The next time you upload an MP4, remember that you’re part of a long tradition of data storage. Whether it's stored in a digital cloud or a basaltic rock on the ocean floor, the universe is constantly recording its own story. MP4 files explained: How to open and use - Adobe Nrmgzmp4
Natural Remanent Magnetization is the permanent magnetism locked into rocks when they first form. Just like an MP4 file captures light and sound, NRM captures the at a specific moment in geological history. This is the "original file," recorded when a
Discover times when the North and South poles actually swapped places. This is the "original file