A demi-lune in Burkina Faso. A semi-circular bund (also known as a demi-lune or half-moon) is a rainwater harvesting technique consisting in digging semilunar holes in the ground with the opening perpendicular to the flow of water.[1][2] Background[edit] These holes are oriented against the slope of the ground, generating a small dike in the curved area with the soil from the hole itself, so they
The broken escalator phenomenon, also known as the escalator effect and the Walker effect, is the sensation of losing balance, confusion or dizziness reported by some people when stepping onto an escalator which is not working. It is said that there is a brief, odd sensation of imbalance, despite full awareness that the escalator is not going to move.[1] It has been shown that this effect causes p
A heat dome, over the United States A heat dome is caused when atmosphere traps hot ocean air, as if bounded by a lid or cap. Heat domes happen when strong high pressure atmospheric conditions remain stationary for an unusual amount of time, preventing convection and precipitation and keeping hot air "trapped" within a region. This can be caused by multiple factors, including sea surface temperatu
It is not one of Wikipedia's policies or guidelines; rather, its purpose is to explain certain aspects of Wikipedia:Reliable sources guideline. It may reflect differing levels of consensus and vetting. This page in a nutshell: This is a list of repeatedly discussed sources, collected and summarized for convenience. Consensus can change, and context matters tremendously when determining how to use
This article is about the cooking pot. For other uses, see Dutch oven (disambiguation). An American Dutch oven, 1896 A Dutch oven, Dutch pot (US English), or casserole dish (international) is a thick-walled cooking pot with a tight-fitting lid. Dutch ovens are usually made of seasoned cast iron; however, some Dutch ovens are instead made of cast aluminum, or ceramic. Some metal varieties are ename
Radical interpretation, anomalous monism, truth-conditional semantics, principle of charity, slingshot argument, reasons as causes, understanding as translation, swampman, events, Davidson's translation argument against alternative conceptual schemes[2][3] (the third dogma of empiricism)[a] Donald Herbert Davidson (March 6, 1917 – August 30, 2003) was an American philosopher. He served as Slusser
Dead Hand, also known as Perimeter (Russian: Система «Периметр», romanized: Sistema "Perimetr", lit. '"Perimeter" System', with the GRAU Index 15E601, Cyrillic: 15Э601),[1] is a Cold War-era automatic nuclear weapons-control system (similar in concept to the American AN/DRC-8 Emergency Rocket Communications System) that was constructed by the Soviet Union.[2] The system remains in use in the post-
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