shallower — shal·low || ʃæləʊ adj. having little depth, not deep; superficial, not concerned with serious intellectual matters; weak, breathing in very little air … English contemporary dictionary
Nitrogen narcosis — Inert gas narcosis [Nitrogen narcosis] Classification and external resources Divers breathe a mixture of oxygen, helium and nitrogen for deep dives to avoid the effects of narcosis. A cylinder label shows the maximum operating depth and mixture… … Wikipedia
Null-move heuristic — In computer chess programs, the null move heuristic is a heuristic technique used to enhance the speed of the alpha beta pruning algorithm. Contents 1 Rationale 2 Implementation 3 Problems with the null move heuristic … Wikipedia
Decompression (diving) — Divers decompressing in the water at the end of a dive Decompression in the context of diving derives from the reduction in ambient pressure experienced by the diver during the ascent at the end of a dive or hyperbaric exposure and refers to both … Wikipedia
Refraction — For the property of metals, see refraction (metallurgy). For the magic effect, see David Penn (magician). For the refraction in atmosphere, see Atmospheric refraction. Light on air–plexi surface in this experiment mainly undergoes refraction… … Wikipedia
Glossary of cue sports terms — The following is a glossary of traditional English language terms used in the three overarching cue sports disciplines: carom (or carambole) billiards referring to the various carom games played on a billiard table without pockets; pool (pocket… … Wikipedia
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
Okeechobean Sea — Table displaying the Okeechobean Sea and its relation to geologic time and North American Land Mammal Ages. Dry periods or marine regressive periods are tan in color. The Okeechobean Sea was a Cenozoic eutropical subsea, which along with the… … Wikipedia
Challenger Deep — Location of Challenger Deep within the Western Pacific Ocean The Challenger Deep is the deepest known point in the oceans, with a depth of 10,902 metres (35,768 ft) to 10,916 metres (35,814 ft) by direct measurement from submersibles, and… … Wikipedia
Mary Rose — For later ships with the same name, see HMS Mary Rose. For the play by J.M. Barrie, see Mary Rose (play). The remnants of the Mary Rose undergoing conservation in Portsmouth … Wikipedia