|
Encyclopedia
-
Tension: Encyclopedia - Tension
Tension may mean:
In physics, tension is a force on a body directed to produce strain (extension); it can be considered to be negative c...
» Read the article
|
|
Encyclopedia
-
Fluid Statics: Encyclopedia Ii - Fluid Statics - Liquids-fluids With Free Surfaces
Liquids can have free surfaces at which they interface with gases, or with a vacuum. In general, the lack of the ability to sustain a she...
» Read the article
|
|
Encyclopedia
-
Gum Arabic: Encyclopedia Ii - Gum Arabic - Terrorist Rumors
Oddly, the connection between Sudan and Osama bin Laden brought the otherwise undistinguished gum to public consciousness in 2001, as an ...
» Read the article
|
|
Article
-
Practising Law Of Attraction: A Simple Healing Meditation
Your thoughts create your reality. Science has been studying the correlation between what we think and its effects on physical, ...
» Read the article
|
|
Encyclopedia
-
Water Molecule: Encyclopedia - Water Molecule
Water has the chemical formula H2O, meaning that one molecule of water is composed of two hydrogen atoms and one oxygen atom. It is in dy...
» Read the article
|
|
Encyclopedia
-
Surface: Encyclopedia - Surface
In mathematics (topology), a surface is a two-dimensional manifold. Examples arise in three-dimensional space as the boundaries of three-...
» Read the article
|
|
Encyclopedia
-
Cohesion Chemistry: Encyclopedia - Cohesion Chemistry
Cohesion or cohesive attraction or cohesive force in chemistry is the intermolecular attraction between like-molecules. Cohesion explains...
» Read the article
|
|
Encyclopedia
-
Wetting: Encyclopedia - Wetting
Wetting refers to the contact between a fluid and a surface, when the two are brought into contact. When a liquid has a high surface tens...
» Read the article
|
|
Encyclopedia
-
Capillary Wave: Encyclopedia - Capillary Wave
A capillary wave is a wave travelling along a meniscus, whose dynamics are dominated by the effects of surface tension. Capillary waves ...
» Read the article
|
|
Encyclopedia
-
Evaporation: Encyclopedia - Evaporation
Evaporation is the process whereby atoms or molecules in a liquid state (or solid state if the substance sublimes) gain sufficient energy...
» Read the article
|
|
Encyclopedia
-
Animal Locomotion: Encyclopedia - Animal Locomotion
In biology and physics, animal locomotion is the study of how animals move, and is part of biophysics.
Much of the study is an applicatio...
» Read the article
|
|
Encyclopedia
-
Carminative: Encyclopedia - Carminative
A carminative, also known as carminativum (plural: carminativa), is a medicinal drug with antispasmodic activity that is used against cra...
» Read the article
|
|
Encyclopedia
-
Capillary Action: Encyclopedia - Capillary Action
Capillary action or capillarity (also known as capillary motion) is the ability of a narrow tube to draw a liquid upwards against the for...
» Read the article
|
|
Encyclopedia
-
Sphere: Encyclopedia - Sphere
A sphere is a perfectly symmetrical geometrical object. In mathematics, the term refers to the surface or boundary of a ball, but in non-...
» Read the article
|
|
Encyclopedia
-
Tensegrity: Encyclopedia - Tensegrity
In mechanics and biomechanics, tensegrity or tensional integrity is a property of objects with components that use tension and compressio...
» Read the article
|
|
Encyclopedia
-
Bridge Instrument: Encyclopedia - Bridge Instrument
A bridge is a device for supporting the strings on a stringed instrument and transmitting the vibration of those strings to some other st...
» Read the article
|
|
Encyclopedia
-
Pleural Cavity: Encyclopedia - Pleural Cavity
The lungs are surrounded by two membranes, the pleura. The outer pleura is attached to the chest wall and is known as the parietal pleura...
» Read the article
|
|
Encyclopedia
-
Cell Membrane: Encyclopedia - Cell Membrane
A component of every biological cell, the selectively permeable cell membrane (or plasma membrane or plasmalemma) is a thin and structure...
» Read the article
|
|
Encyclopedia
-
Fluid Statics: Encyclopedia Ii - Fluid Statics - Static Pressure In Fluids
Due to an inability to resist deformation, fluids exert pressure normal to any contacting surface. In addition, when the fluid is at rest...
» Read the article
|
|
Encyclopedia
-
Soap Bubble: Encyclopedia Ii - Soap Bubble - Physics
Soap bubble - Surface tension and shape.
A bubble can exist because the surface layer of a liquid (usually water) has a certain surface...
» Read the article
|
|
Encyclopedia
-
Fluid Statics: Encyclopedia Ii - Fluid Statics - Buoyancy
A solid body immersed in a fluid will have an upward buoyant force acting on it equal to the weight of displaced fluid. This is due to th...
» Read the article
|
|
Encyclopedia
-
Soap Bubble: Encyclopedia Ii - Soap Bubble - How To Make Soap Bubbles
The easiest ways are to use commercially produced soap bubble fluid (marketed as a toy) or to simply put some dish washing soap in water....
» Read the article
|
|
Encyclopedia
-
Soap Bubble: Encyclopedia Ii - Soap Bubble - Mathematical Properties
Soap bubbles are also physical illustrations of the problem of minimal surfaces, a complex mathematical problem. For example, while it ha...
» Read the article
|
|
Encyclopedia
-
Gum Arabic: Encyclopedia Ii - Gum Arabic - Terrorist Rumors
Oddly, the connection between Sudan and Osama bin Laden brought the otherwise undistinguished gum to public consciousness in 2001, as an ...
» Read the article
|
|
Encyclopedia
-
Water Molecule: Encyclopedia Ii - Water Molecule - Physics And Chemistry Of Water
Water molecule - Density of water and ice.
For most substances, the solid form of the substance is more dense than the liquid form; thu...
» Read the article
|
|
Encyclopedia
-
Soap Bubble: Encyclopedia Ii - Soap Bubble - History Of Bubbles As Playthings
17th century Flemish paintings show children blowing with clay pipes. This means that bubbles as playthings are at least 400 years old. T...
» Read the article
|
|
Encyclopedia
-
Water Molecule: Encyclopedia Ii - Water Molecule - Forms Of Water
Water may take many forms. The solid state of water is commonly known as ice (while many other forms exist, see amorphous solid water); t...
» Read the article
|
|
Encyclopedia
-
Water Molecule: Encyclopedia Ii - Water Molecule - History
In 1742, Anders Celsius defined the Celsius temperature scale with the freezing point of water at 100 degrees and the boiling point at st...
» Read the article
|
|
Encyclopedia
-
Shampoo: Encyclopedia Ii - Shampoo - Ingredients
Shampoo - Detergents.
Surfactants, also known as wetting agents, lower the surface tension of a liquid, allowing easier spreading, and ...
» Read the article
|
|
Encyclopedia
-
Water Molecule: Encyclopedia Ii - Water Molecule - A Common Substance
Water molecule - Water in the Universe.
Water has been found in interstellar clouds within our galaxy, the Milky Way. It is believed th...
» Read the article
|
|
Encyclopedia
-
Shampoo: Encyclopedia Ii - Shampoo - The Ingredients
Shampoo - Detergents.
Surfactants, also known as wetting agents, lower the surface tension of a liquid, allowing easier spreading, and ...
» Read the article
|
|
Encyclopedia
-
Capillary Action: Encyclopedia Ii - Capillary Action - Formula
With notes on the dimension in SI units, the height h of a liquid column (m) is given by:
...where:
T = surface tension (J/m²)
θ = ...
» Read the article
|
|
Encyclopedia
-
Elater: Encyclopedia Ii - Elater - Horsetail Elaters
In the horsetails, elaters are four ribbon-like appendages attached to the spores. These appendages develop from an outer spiral layer of...
» Read the article
|
|
Encyclopedia
-
Meniscus: Encyclopedia Ii - Meniscus - Meniscus In Liquids
A meniscus is a curve in the surface of a liquid and is produced in response to the surface of the container or another object. It can be...
» Read the article
|
|
Encyclopedia
-
Pulmonary Alveolus: Encyclopedia Ii - Pulmonary Alveolus - Structure
The alveoli consist of an epithelial layer and extracellular matrix surrounded by capillaries. In some alveolar walls there are pores bet...
» Read the article
|
|
Encyclopedia
-
Marine Biology: Encyclopedia Ii - Marine Biology - Overview
Marine biology covers a great deal, from the microscopic including plankton, as small as 0.02 micrometers, and phytoplankton, both hugely...
» Read the article
|
|
Encyclopedia
-
False Vacuum: Encyclopedia Ii - False Vacuum - Bubble Nucleation
In a physical theory in a false vacuum, the system moves to a lower energy state – either the true vacuum, or another, lower energy vac...
» Read the article
|
|
Encyclopedia
-
Champagne Beverage: Encyclopedia Ii - Champagne Beverage - Bubbles
An initial burst of effervescence occurs when the champagne contacts the dry glass on pouring. These bubbles may form on imperfections in...
» Read the article
|
|
Encyclopedia
-
Convex Hull: Encyclopedia Ii - Convex Hull - Intuitive Picture
For planar objects, i.e., lying in the plane, an easy way to visualize the convex hull is to imagine a rubber band tightly stretched to e...
» Read the article
|
|
Encyclopedia
-
Marine Biology: Encyclopedia Ii - Marine Biology - Overview
Marine biology covers a great deal, from the microscopic, including plankton and phytoplankton, which can be as small as 0.02 micrometers...
» Read the article
|
|
Encyclopedia
-
Housefly: Encyclopedia Ii - Housefly - Typical Behaviors
Houseflies can only take in liquid foods. They spit out saliva on solid foods to pre-digest it, and then suck it back in. They also throw...
» Read the article
|
|
Encyclopedia
-
Wave Soldering: Encyclopedia Ii - Wave Soldering - Soldering
The tank of molten solder has a pattern of standing waves (or, in some cases, intermittent waves) on its surface. When the PCB is moved o...
» Read the article
|
|
Encyclopedia
-
Snow: Encyclopedia Ii - Snow - Geometry
A snowflake always has six lines of symmetry, which arises from the hexagonal crystal structure of ordinary ice (known as ice Ih) along i...
» Read the article
|
|
Encyclopedia
-
Aspergillus: Encyclopedia Ii - Aspergillus - Growth And Distribution
Aspergilli are highly aerobic organisms and are found in almost all oxygen-rich environments, where they commonly grow as moulds on the s...
» Read the article
|
|
Encyclopedia
-
Retinal Detachment: Encyclopedia Ii - Retinal Detachment - Treatment
There are several methods of treating a detached retina which all depend on finding and closing the holes which have formed in the retina...
» Read the article
|
|
Encyclopedia
-
Bodhrán: Encyclopedia Ii - Bodhrán - Playing
The drum is usually played in a seated position, held vertically on the player's thigh and supported by his or her upper body and arm (us...
» Read the article
|
|
Encyclopedia
-
Atomic Nucleus: Encyclopedia Ii - Atomic Nucleus - Nuclear Physics
A heavy nucleus can contain hundreds of nucleons (neutrons and protons), which means that to some approximation it can be treated as a cl...
» Read the article
|
|
Encyclopedia
-
Bodhrán: Encyclopedia Ii - Bodhrán - Playing
The drum is usually played in a seated position, held vertically on the player's thigh and supported by his or her upper body and arm (us...
» Read the article
|
|
Dictionary
-
Acupressure:
Natural
Health Therapy Dictionary On Acupressure
ACUPRESSURE: Acupressure is a form of acupuncture in which fingers and thumbs rather than needles are used to press chi points on the ...
» Read the article
|
|
Encyclopedia
-
Bloodstain Pattern Analysis: Encyclopedia Ii - Bloodstain Pattern Analysis - Blood Spatter Flight Characteristics
Experiments with blood have shown that a drop of blood tends to form into a sphere in flight rather than the artistic teardrop shape. The...
» Read the article
|
|
Encyclopedia
-
Utah Troubles: Encyclopedia Ii - Utah Troubles - The Great Revolt Of 1915
Peace between the Mormons and the United States government ensues through the first decades of the twentieth century, but beneath the sur...
» Read the article
|
|
Encyclopedia
-
Terraforming: Encyclopedia Ii - Terraforming - Paraterraforming
Also known as the "worldhouse" concept, paraterraforming involves the construction of a habitable enclosure on a planet which eventually ...
» Read the article
|
|
Encyclopedia
-
Bay Of Pigs Invasion: Encyclopedia Ii - Bay Of Pigs Invasion - Preparation
The CIA had begun recruiting and training Cuban exiles during the Eisenhower administration, months before diplomatic relations were seve...
» Read the article
|
|
Encyclopedia
-
Bay Of Pigs Invasion: Encyclopedia Ii - Bay Of Pigs Invasion - Preparation
The CIA had begun recruiting and training Cuban exiles during the Eisenhower administration, months before diplomatic relations were seve...
» Read the article
|
|
Encyclopedia
-
Surface: Encyclopedia Ii - Surface - Definition
In what follows, all surfaces are considered to be second-countable 2-dimensional manifolds.
More precisely: a topological surface (with ...
» Read the article
|
|
Dictionary
-
Acupressure: Massage
Bodywork
Dictionary On
Acupressure
ACUPRESSURE Acupressure is an ancient healing art that uses the fingers to press key points on the surface of the skin to stimulate th...
» Read the article
|
|
Encyclopedia
-
Rock And Roll: Encyclopedia Ii - Rock And Roll - Early North American Rock And Roll 1953-1963
Whatever the beginning, it is clear that rock appeared at a time when racial tensions in the United States were coming to the surface. Af...
» Read the article
|
|
Dictionary
-
Aston-patterning: Massage
Bodywork
Dictionary On
Aston-patterning
ASTON-PATTERNING Aston-Patterning is an educational process, developed by Judith Aston in 1977, combining movement coaching, bodywork,...
» Read the article
|
|
Encyclopedia
-
Dishwasher: Encyclopedia Ii - Dishwasher - Detergent
Dishwashing detergent contains:
Phosphates
- Solublises calcium and magnesium ions to prevent 'hard-water' type limescale deposits.
Oxyg...
» Read the article
|
|
Encyclopedia
-
Animal Locomotion On The Surface Layer Of Water: Encyclopedia Ii - Animal Locomotion On The Surface Layer Of Water - Meniscus Climbing
To pass from the water surface to land, a water-walking insect must contend with the slope of the meniscus at the water's edge. Many such...
» Read the article
|
|
Encyclopedia
-
Cold War 1947-1953 And Its Origins: Encyclopedia Ii - Cold War 1947-1953 And Its Origins - The Wartime Alliance
When Hitler attacked the Soviet Union, the Soviets and the Western Allies quickly put their past tensions behind them and cooperated. Mos...
» Read the article
|
|
Encyclopedia
-
Surface: Encyclopedia Ii - Surface - Some Models
To make some models of various surfaces, attach the sides of these squares (A with A, B with B) so that the directions of the arrows matc...
» Read the article
|
|
Encyclopedia
-
World's Tallest Structures: Encyclopedia Ii - World's Tallest Structures - Tallest Structures
Tallest Structure by Category
The tallest currently standing structure, including those structures which are partially under water, is th...
» Read the article
|
|
Encyclopedia
-
Surface: Encyclopedia Ii - Surface - Classification Of Closed Surfaces
There is a complete classification of closed (i.e compact without boundary) connected, surfaces up to homeomorphism. Any such surface fal...
» Read the article
|
|
Encyclopedia
-
Miller Index: Encyclopedia Ii - Miller Index - The Crystallographic Planes And Directions
The crystallographic directions are fictitious lines linking nodes (atoms, ions or molecules) of a crystal. The crystallographic planes a...
» Read the article
|
|
Dictionary
-
Capillary Action:
Oceanography Dictionary - Capillary Action
Definition and meaning of capillary action:
capillary action - the means by which liquid moves through the porous spa...
» Read the article
|
|
Encyclopedia
-
Surface: Encyclopedia Ii - Surface - Connected Sum Of Surfaces
Given two surfaces M and M', their connected sum M # M' is obtained by removing a disk in each of them and gluing them along the newly fo...
» Read the article
|
|
Encyclopedia
-
World's Tallest Structures: Encyclopedia Ii - World's Tallest Structures - Tallest Structures
Tallest Structure by Category
Skytower - Auckland New Zealand - Free standing tower 328m
The tallest currently standing structure, includ...
» Read the article
|
|
Encyclopedia
-
Surface: Encyclopedia Ii - Surface - Fundamental Polygon
Each closed surface can be constructed from an even sided oriented polygon, called a fundamental polygon by pairwise identification of it...
» Read the article
|
|
Encyclopedia
-
Cold War 1947-1953 And Its Origins: Encyclopedia Ii - Cold War 1947-1953 And Its Origins - The Wartime Alliance
When Hitler attacked the Soviet Union, the Soviets and the Western Allies quickly put their past tensions behind them and cooperated. Mos...
» Read the article
|
|
Encyclopedia
-
Methyl Formate: Encyclopedia Ii - Methyl Formate - Production
In the laboratory, methyl formate can be produced by the condensation reaction of methanol and formic acid, as follows:
HCOOH + CH3OH â†...
» Read the article
|
|
Encyclopedia
-
Military History Of The United Kingdom During World War Ii: Encyclopedia Ii - Military History Of The United Kingdom During World War Ii - The War At Sea
Military history of the United Kingdom during World War II - Opening Moves.
At the start of the war the British and French expected to ...
» Read the article
|
|
Encyclopedia
-
Water Strider: Encyclopedia Ii - Water Strider - Method Of Propulsion Of A Water Strider
Animals such as water striders that live on the surface of water need to push something backwards to generate a reaction force (that is, ...
» Read the article
|
|
Encyclopedia
-
Elater: Encyclopedia Ii - Elater - Liverwort Elaters
In the liverworts, elaters are cells that develop in the sporophyte alongside the spores. They are complete cells, usually with helical t...
» Read the article
|
|
Encyclopedia
-
Meniscus: Encyclopedia Ii - Meniscus - Meniscus In The Body
Also, the meniscus is either of two parts of the human knee. The knee contains a lateral meniscus and a medial meniscus, and both are car...
» Read the article
|
|
Encyclopedia
-
Antibubble: Encyclopedia Ii - Antibubble - Potential Uses For Antibubbles
If antibubbles can be stabilized they can be used to form a long lasting froth – antifoam. Possible uses for antifoam are as a lubrican...
» Read the article
|
|
Encyclopedia
-
Sphere: Encyclopedia Ii - Sphere - Geometry
In three-dimensional Euclidean geometry, a sphere is the set of points in R3 which are at distance r from a fixed point of that space, wh...
» Read the article
|
|
Encyclopedia
-
Cell Membrane: Encyclopedia Ii - Cell Membrane - Detailed Structure
Phospholipid molecules in the cell membrane are "fluid," in the sense of free to diffuse and exhibit rapid lateral diffusion. Lipid rafts...
» Read the article
|
|
Encyclopedia
-
Buckling: Encyclopedia Ii - Buckling - Buckling Of Surface Materials
Buckling is also a failure mode in pavement materials, primarily with concrete since asphalt is more flexible. Radiant heat from the Sun ...
» Read the article
|
|
Encyclopedia
-
Housefly: Encyclopedia Ii - Housefly - Evolution
Even though the order of flies (Diptera) is much older, true houeseflies evolved in the beginning of the Cenozoic era, some 65 million ye...
» Read the article
|
|
Encyclopedia
-
Aggregate Composite: Encyclopedia Ii - Aggregate Composite - Comparison To Fiber
Aggregate composites tend to be much easier to fabricate, and much more predictable in their finished properties, than fiber composites. ...
» Read the article
|
|
Encyclopedia
-
Floyd Rose: Encyclopedia Ii - Floyd Rose - Basic Principles
Basic principles of action of double-locking floating bridge are illustrated on this simplified scheme (scheme proportions are very exagg...
» Read the article
|
|
Encyclopedia
-
Inkjet Printer: Encyclopedia Ii - Inkjet Printer - Inkjet Printing Of Functional Materials
Three-dimensional printing constructs a prototype by printing cross-sections on top of one another.
High-end inkjet printers can be used ...
» Read the article
|
|
Encyclopedia
-
Tensegrity: Encyclopedia Ii - Tensegrity - Principles
Tensegrity is the pattern that results when push and pull have a win-win relationship with each other. The pull is continuous and the pus...
» Read the article
|
|
Encyclopedia
-
Surface-mount Technology: Encyclopedia Ii - Surface-mount Technology - Assembly Techniques
Where components are to be placed, the printed circuit board has flat, usually tin-plated copper pads without holes, called solder pads. ...
» Read the article
|
|
Encyclopedia
-
Shampoo: Encyclopedia Ii - Shampoo - Description
Shampoos are used to clean hair by stripping sebum from the hair. Sebum is naturally occurring oil that coats the hair and tends to colle...
» Read the article
|
|
Encyclopedia
-
Masonry: Encyclopedia Ii - Masonry - Concrete Block
Blocks of cinder concrete ("cinder blocks" or "breezeblocks"), ordinary concrete ("concrete blocks"), or hollow tile are generically know...
» Read the article
|
|
Encyclopedia
-
Surface-mount Technology: Encyclopedia Ii - Surface-mount Technology - Assembly Techniques
Where components are to be placed, the printed circuit board has flat, usually tin-lead, silver or gold plated copper pads without holes,...
» Read the article
|
|
Encyclopedia
-
Shampoo: Encyclopedia Ii - Shampoo - Description
Shampoos are used to clean hair by stripping sebum from the hair. Sebum is naturally occurring oil that coats the hair and tends to colle...
» Read the article
|
|
Encyclopedia
-
Kinematics: Encyclopedia Ii - Kinematics - Kinematic Constraints
A kinematic constraint is any condition relating properties of a dynamic system that must hold at all times. Below are some common exampl...
» Read the article
|
|
Encyclopedia
-
Water Strider: Encyclopedia Ii - Water Strider - Nature Of The Hydrophobic Legs Of A Water Strider
Water striders can stand effortlessly on water due to their non-wetting legs. Writing in Nature, biophysicists Xuefeng Gao and Lei Jiang ...
» Read the article
|
|
Encyclopedia
-
Water: Encyclopedia Ii - Water - Molecular Properties
Water - Forms of water.
For more details on this topic, see Category: Forms of water.
Water takes many different shapes on earth: wat...
» Read the article
|
|
Encyclopedia
-
Navicular Disease: Encyclopedia Ii - Navicular Disease - Causes And Contributing Factors Of Navicular Disease
Causes
There is no single known cause of navicular syndrome, although many theories. The two most important factors in navicular are:
Com...
» Read the article
|
|
Encyclopedia
-
Myofascial Release: Encyclopedia Ii - Myofascial Release - Direct Myofascial Release
The direct Myofascial Release method works directly on the restricted fascia, the practitioners use knuckle or elbow or other tools to to...
» Read the article
|
|
Encyclopedia
-
Bloodstain Pattern Analysis: Encyclopedia Ii - Bloodstain Pattern Analysis - Determining Angles Of Impact
As mentioned earlier a blood droplet in freefall has the shape of a sphere. Should the droplet strike a surface and a well-formed stain i...
» Read the article
|
|
Encyclopedia
-
Wave: Encyclopedia Ii - Wave - Transverse And Longitudinal Waves
Transverse waves are those with vibrations perpendicular to the direction of the propagation of the wave; examples include waves on a str...
» Read the article
|
|
Encyclopedia
-
Timpani: Encyclopedia Ii - Timpani - The Instrument
Timpani - The basic timpano.
The basic timpano consists of a drumhead stretched across the opening of a bowl typically made of copper o...
» Read the article
|
|
Encyclopedia
-
Flatulence: Encyclopedia Ii - Flatulence - Mechanism Of Action
The noises commonly associated with flatulence are caused by the vibration of the anal opening. The sound varies depending on the tightne...
» Read the article
|
|
Encyclopedia
-
Bloodstain Pattern Analysis: Encyclopedia Ii - Bloodstain Pattern Analysis - Point And Area Of Convergence
To determine the point/area of convergence an analyst has to determine the path the blood droplets travelled. The tangential flight path ...
» Read the article
|
|
Encyclopedia
-
Floyd Rose: Encyclopedia Ii - Floyd Rose - Disadvantages
Generally, most widely criticized disadvantage of floating bridge is that it's hard to tune (i.e. balance) properly in first place and ac...
» Read the article
|