vertically aligned
121Great Pyramid of Giza — Coordinates: 29°58′45.03″N 31°08′03.69″E / …
122Handheld game console — A handheld game console is a lightweight, portable electronic machine for playing video games. Unlike video game consoles, the controls, screen and speakers are all part of a single unit. Throughout the 1970s and 1980s, several companies… …
123Integrated circuit — Silicon chip redirects here. For the electronics magazine, see Silicon Chip. Integrated circuit from an EPROM memory microchip showing the memory blocks, the supporting circuitry and the fine silver wires which connect the integrated circuit die… …
124Manhattan Project — This article is about the atomic bomb project. For other uses, see Manhattan Project (disambiguation). Manhattan District The Manhattan Project created the first nuclear bombs. The Trinity test …
125J. Robert Oppenheimer — J. Robert Oppenheimer, c. 1944 Born …
126Galvanometer — D Arsonval/Weston galvanometer movement with the moving coil shown in red. A galvanometer is a type of ammeter: an instrument for detecting and measuring electric current. It is an analog electromechanical transducer that produces a rotary… …
127Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios …
128Line printer — IBM 1403 line printer, the classic line printer of the mainframe era. The line printer is a form of high speed impact printer in which one line of type is printed at a time. They are mostly associated with the early days of computing, but the… …
