bottom-hole assembly
71Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
72Fat Man — This article is about the World War II nuclear weapon. For other uses, see Fat Man (disambiguation). Fat Man (Atomic Bomb) Mockup of the original weapon …
73Dual in-line package — PDIP redirects here. PDIP may also refer to Indonesian Democratic Party – Struggle. Three 14 pin (DIP14) plastic dual in line packages containing IC chips …
74Compact Cassette — A TDK D C60 cassette, a common speech quality tape with a 60 minute playing time, in a housing similar to that of the original Compact Cassette specification …
75Fart lighting — Fart lighting, (also called fart burning, blue darting, blue flame, blue angel, flatus ignition, and pyroflatulence) is the practice of setting fire to the gases produced by human flatulence, often producing a blue hue. Although there is little… …
76The Borderland of Sol — is an English language science fiction novelette written in 1975 by Larry Niven. It is the fifth in the Known Space series of stories about crashlander Beowulf Shaeffer. The story was originally published in Analog , January 1975, printed in the… …
77stringed instrument — a musical instrument having strings as the medium of sound production, played with the fingers or with a plectrum or a bow: The guitar, the harp, and the violin are stringed instruments. * * * Any musical instrument that produces sound by the… …
78International Space Station — ISS redirects here. For other uses, see ISS (disambiguation). International Space Station …
79Manhattan 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 …
80Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …
