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In geology, ripple marks are sedimentary structures (i.e., bedforms of the lower flow regime) and indicate agitation by water (current or waves) or directly by wind. Defining ripple cross-laminae and asymmetric ripples
Symmetrical ripple. Although symmetrical ripples are also called bi-directional ripples there is a difference between them. Bi-directional ripples are rarely symmetrical due to the difference in force of the two directions, where as the wave formed or oscillation ripples form from the circular water movement pattern of water molecules.
Asymmetrical ripple marks These are created by a one way current, for example in a river, or the wind in a desert. This creates ripple marks with still pointed crests and rounded troughs, but which are inclined more strongly in the direction of the current. For this reason, they can be used as palaeocurrent indicators.
Cherenkov effect (experimental particle physics) (fundamental physics concepts) (particle physics) (special relativity) Chilling effect (law) (censorship) (freedom of expression) (American legal terms) Chimney effect; Chorus effect (audio effects) (audio engineering) (effects units) (sound recording) Christiansen effect (optical filters)
A British scientist claims to have disproven one of the many theories that surround the Bermuda Triangle and its mysterious ship-sinking tendencies.
Phoebe Sarah Hertha Ayrton (28 April 1854 – 26 August 1923 [1]) was a British electrical engineer, mathematician, physicist and inventor, and suffragette.Known in adult life as Hertha Ayrton, born Phoebe Sarah Marks, she was awarded the Hughes Medal by the Royal Society for her work on electric arcs and ripple marks in sand and water.
Some of the most common examples of mechanical waves are water waves, sound waves, and seismic waves. Like all waves, mechanical waves transport energy. This energy propagates in the same direction as the wave. A wave requires an initial energy input; once this initial energy is added, the wave travels through the medium until all its energy is ...
Retrocausality, or backwards causation, is a concept of cause and effect in which an effect precedes its cause in time and so a later event affects an earlier one. [1] [2] In quantum physics, the distinction between cause and effect is not made at the most fundamental level and so time-symmetric systems can be viewed as causal or retrocausal.