zero-center meter
61Antenna (radio) — Whip antenna on car …
62History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… …
63New York City Subway — Die MTA New York City Subway, auch „New York Subway“ oder einfach „Subway“ genannt, ist das U Bahn Netz von New York City. Es wurde am 27. Oktober 1904 eröffnet und zählt damit zu den ältesten der Welt. Mit 26 Linien,… …
64Terroranschläge am 11. September 2001 — Brennende Türme des World Trade Centers. Vorn links: Freiheitsstatue (um 9:30 Uhr EDT) Die Terroranschläge oder Anschläge am (vom) 11. September 2001 (auch im Singular oder kurz 11. September[1]; englisch September 11 attack …
652011 Tōhoku earthquake and tsunami — 2011 Miyagi earthquake redirects here. For the aftershock that occurred on 7 April, see April 2011 Miyagi earthquake. 2011 Tōhoku earthquake and tsunami 東日本大震災 An aerial view of damage in the Tōhoku region with black smoke coming from the Nippon… …
66Galvanometer — 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… …
67United States Postal Service — This article is about the government agency. For individual post offices, see U.S. Post Office (disambiguation). For the cycling team, see Discovery Channel Pro Cycling Team. USPS redirects here. For the non profit boating safety and education… …
68Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …
69List of road accidents — records serious road accidents: those which took a high death toll, occurred in unusual circumstances, or hold some other historical significance. For crashes in which famous people died, please refer to List of people who died in road accidents …
70Gravitational wave — In physics, a gravitational wave is a fluctuation in the curvature of spacetime which propagates as a wave, traveling outward from a moving object or system of objects. Gravitational radiation is the energy transported by these waves. Important… …
