A sebaceous cyst is a type of cyst that forms in the epidermis, the outermost layer of the skin. A sebaceous cyst is also sometimes called an epidermal cyst. It forms when a sebaceous gland, an oil-producing gland in the skin, becomes blocked.
A technique involving using chalk to place a special symbol on a sidewalk or another surface to indicate a nearby wireless network that offes Internet access. Wardriving A technique hackes use to locate insecure wireless networks while driving around. Warflying A technique hackers use to locate insecure wireless networks while flying around. Smartphone A cellular phone with the features of a personal digital assistant.
Jason Cole, a PhD student in physics at Imperial College London, used math to figure out the best spot to place a wireless router. Cole solved the Helmholtz equation -- which is used to map electromagnetic fields like the ones your router emits -- for his apartment. What he discovered was that tucking a router away in an inconspicuous corner is not ideal for a good connection, even though that's the way most of us do it.