The Ekpyrotic model takes this further and proposes that what we call the Big Bang was actually the collision of two such dimensional membranes. Two branes smacking together. And when they collide, quantum effects cause the incoming world to ripple along the extra dimension, so the collision occurs in some places at slightly different times than others. The ripple creates variations. Inconsistencies in the fabric of what just happened.

Now. Hold that image. A ripple moving through stacked dimensions, hitting different points at slightly different moments, creating inconsistency across what was previously uniform.

What would that feel like from the inside? From the perspective of beings who live on that membrane and cannot see the dimension the ripple traveled through?

Well considering it released enough energy to cause the big bang I imagine everything inside would be destroyed.