Sciatica is nerve pain from irritation of the sciatic nerve. The sciatic nerve is the largest nerve in the body. The sciatic nerve begins from nerve roots in the spinal cord in the low back and extends through the buttock area to send nerve endings down the lower limb.
Aircrack-ng is a network software suite consisting of a detector, packet sniffer, WEP and WPA/WPA2-PSK cracker and analysis tool for 802.11 wireless LANs. It works with any wireless network interface controller whose driver supports raw monitoring mode and can sniff 802.11a, 802.11b and 802.11g traffic.
air compressor - a compressor that takes in air at atmospheric pressure and delivers it at a higher pressure. piston chamber, cylinder - a chamber within which piston moves. mechanical device - mechanism consisting of a device that works on mechanical principles. supercharger - compressor that forces increased oxygen into the cylinders of an internal-combustion engine.