Dimensional Science has started to unlock the understanding of the fact that the universe is made of layers, and these layers while interacting with each other, are very distinct from each other.
The study and application of technology and human activity
Psychtronics is a field of arcanotechnology that deals with using machines to emulate the mentalist parapsychic realms such as as telepathy, mind control, memory manipulation, and emotional manipulation.
In the years before the advent of arcanotechnology and dimensional fatigue events, teratology was the study of abnormalities and biological deformations. In the wake of the second renaissance, it became the study of exomorphs, extradimensional entities, and most prominently, teratomorphs, more commonly and vulgarly known as kaiju.
Magic is the lifeforce of all living creatures, and it is from it that all life is made - in areas with lots of undead, magic might actually be missing or weak, which puts a whole new spin on how dangerous the undead are. Even simple zombies can be troublesome if you're relying on mages and you hit a pocket of undead making a low-magic zone...