guide ring coupling
61subatomic particle — or elementary particle Any of various self contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but… …
62nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …
63Clandestine cell system — Sleeper cell redirects here. For other uses, see Sleeper cell (disambiguation). Terrorism Definitions · Counter terrorism Internation …
64Muscle — For other uses of Muscle , see Muscle (disambiguation). A top down view of skeletal muscle Muscle (from Latin …
65Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …
66Norden bombsight — The Norden bombsight at the Computer History Museum in Mountain View, California. This example does not have the associated autopilot attached …
67Wikipedia:Featured article candidates — Here, we determine which articles are to be featured articles (FAs). FAs exemplify Wikipedia s very best work and satisfy the FA criteria. All editors are welcome to review nominations; please see the review FAQ. Before nominating an article,… …
68Dimitri Marick — Michael Nader as Dimitri Marick All My Children Portrayed by Michael Nader (1991–2001) Anthony Addabbo (2001) First appearance Sept …
69Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A …
70Soundproofing — is any means of reducing the intensity of sound with respect to a specified source and receptor. There are several basic approaches to reducing sound: increasing the distance between source and receiver, using noise barriers to block or absorb… …
