medium-voltage power supply
121Comparison of analog and digital recording — This article compares the two ways in which sound is recorded and stored. Actual sound waves consist of continuous variations in air pressure. Representations of these signals can be recorded using either digital or analog techniques. An analog… …
122Datacenter star audit — The Datacenter Star Audit (DCSA) is one of several services[1] of eco – Association of the German Internet Industry e.V. (German) and was designed as a seal of approval for data centers. It examines and evaluates objectively infrastructure and… …
123Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …
124IEEE 1355 — IEEE 1355, IEC 14575, or ISO 14575 is a data communications standard, the IEEE Standard for Heterogeneous Interconnect (HIC). It is a low cost, low latency, scalable serial interconnection system, originally intended for communication between… …
125Personal computer — This article is about personal computers in general. For computers generally referred to as PCs , see IBM PC compatible. For hardware components dealing with personal computers, see Personal computer hardware. Personal computer An illustration of …
126South London Route Utilisation Strategy — Network Rail s (NR) South London Route Utilisation Strategy (SLRUS), published in March 2008[1][2][3] (SLRUS) was the eighth Route Utilisation Strategy to be produced. By default, RUSs are established by the Office of Rail Regulation (ORR) unless …
127John Hutchison — is a Canadian inventor known for his claims of inventions and discoveries of a variety of extraordinary phenomena, which other researchers and often Hutchison himself have been unable to duplicate. Hutchison effect In 1979, Hutchison (Born… …
128Wire — For other uses, see Wire (disambiguation). Wires overhead A wire is a single, usually cylindrical, flexible strand or rod of metal. Wires are used to bear mechanical loads and to carry electricity and telecommunications signals. Wire is commonly… …
