Primary waves travel through Earthâs crust at an average speed. of about 5 kilometers per second (3 mi/s). Primary waves can travel. through solids, liquids, and gases. As they pass through a material, the. particles of the material are slightly pushed together and pulled apart.
Why This Occurs. Emotional detachment is usually an issue caused by severe, intense anxiety - most notably panic attacks, although any form of severe anxiety can cause emotional detachment. While it's not entirely clear what causes this detachment, it most likely is a coping mechanism for the brain.
Posterior vitreous detachment (PVD). The vitreous gel actually pulling away from the retina is a condition known PVD. Debris from the site of the detachment drifts into the vitreous gel and causes floaters that resemble cobwebs, mist, or a veil that obscures part of your field of vision. In most cases, the detachment occurs cleanly and the eye floaters become less noticeable after a few months.