Print. Blisters are raised or loose areas of skin in which fluid accumulates under the outer layer. A blister may not be painful at first, but if the outer layer of skinthe epidermisis opened, the sensitive skin underneath can become quite painful and may also get infected.rint. Blisters are raised or loose areas of skin in which fluid accumulates under the outer layer. A blister may not be painful at first, but if the outer layer of skinthe epidermisis opened, the sensitive skin underneath can become quite painful and may also get infected.
SHARPENING: UNSHARP MASK. An unsharp mask is actually used to sharpen an image, contrary to what its name might lead you to believe. Sharpening can help you emphasize texture and detail, and is critical when post-processing most digital images.t turns out that an unsharp mask is actually utilizing a trick performed by our own human visual system. The human eye sees what are called Mach bands at the edges of sharp transitions, named after their discovery by physicist Ernst Mach in the 1860's. These enhance our ability to discern detail at an edge.
bluesnarfing - Computer Definition. 1  To copy address information from a person's Bluetooth phone in the vicinity. The object exchange (OBEX) protocol used in Bluetooth was designed to let users easily send each other business card data without authentication. 2  To copy address information from a person's Bluetooth phone in the vicinity.