make+less+dense
81Nuclear thermal rocket — Sketch of nuclear thermal rocket …
82Planetary differentiation — In planetary science, planetary differentiation is the process of separating out different constituents of a planetary body as a consequence of their physical or chemical behaviour, where the body develops into compositionally distinct layers;… …
83Cordwood construction — For the method of electronic component assembly, see Printed circuit board# Cordwood construction. A section of a cordwood home. Cordwood construction (also called cordwood masonry, stackwall construction or stackwood construction ) is a term… …
84Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …
85Muscle — For other uses of Muscle , see Muscle (disambiguation). A top down view of skeletal muscle Muscle (from Latin …
86ice — iceless, adj. icelike, adj. /uys/, n., v., iced, icing, adj. n. 1. the solid form of water, produced by freezing; frozen water. 2. the frozen surface of a body of water. 3. any substance resembling frozen water: camphor ice …
87mercury — /merr kyeuh ree/, n., pl. mercuries. 1. Chem. a heavy, silver white, highly toxic metallic element, the only one that is liquid at room temperature; quicksilver: used in barometers, thermometers, pesticides, pharmaceutical preparations,… …
88Nuclear reactor technology — This article is a subarticle of Nuclear power .A nuclear reactor is a device in which nuclear chain reactions are initiated, controlled, and sustained at a steady rate, as opposed to a nuclear bomb, in which the chain reaction occurs in a… …
89Reduced instruction set computer — The acronym RISC (pronounced risk ), for reduced instruction set computing, represents a CPU design strategy emphasizing the insight that simplified instructions which do less may still provide for higher performance if this simplicity can be… …
90Silicon — Not to be confused with the silicon containing synthetic polymer silicone. aluminium ← silicon → phosphorus C ↑ Si ↓ Ge …
