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Topic: Tension

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In the News (Sat 16 Feb 19)

  Tension - Wikipedia, the free encyclopedia
In physics, tension is a force related to the stretching of a string or a similar object.
The word 'tension' is also sometimes used to refer to electrical voltage; this is the usage in the term high-tension line.
In music tension is the perceived need for relaxation or release (Sturm und Drang) created by a listener's expectations as well as dissonance, repetition, tempo, a gradual rise in pitch, and other factors.
en.wikipedia.org /wiki/Tension   (313 words)

 Surface tension - Wikipedia, the free encyclopedia
In physics, surface tension is an effect within the surface layer of a liquid that causes the layer to behave as an elastic sheet.
Surface tension is caused by the attraction between the molecules of the liquid, due to various intermolecular forces.
A related quantity is the energy of cohesion, which is the energy released when two bodies of the same liquid become joined by a boundary of unit area.
en.wikipedia.org /wiki/Surface_tension   (846 words)

 Tension headaches - also known as chronic daily headache
It is not uncommon for tension headaches and migraine (another type of headache described in a separate factsheet) to occur in the same individual, often with the migraine attack subsiding and evolving into a tension headache.
Tension headaches are undoubtedly more common in people suffering from anxiety and depression and effective treatment of these conditions may result in improvement of the headache.
As tension headaches can last for a long time, this often arouses the suspicion in the sufferer and his or her doctor that a brain tumour could be the cause of symptoms.
hcd2.bupa.co.uk /fact_sheets/mosby_factsheets/Tension_headaches.html   (773 words)

 Tension Headache | AHealthyMe.com
Tension headache is the most common type of headache caused by severe muscle contractions triggered by stress or exertion.
Tension headaches are caused by tightening in the muscles of the face, neck and scalp because of stress or poor posture.
Tension headaches usually occur in the front of the head, although they also may appear at the top or the back of the skull.
www.ahealthyme.com /topic/topic54318   (913 words)

The lighter the pressure on the dial the lighter the upper tension is in the fabric.
If you are having tension trouble and are using a large reel of thread, wind the thread onto a bobbin and place the bobbin on top of the machine and use it like a small reel of thread.
Once you are right with the lower tension you can go back to the top tension unit again and make final adjustments, say from a four to a five, or a four to a three, to get it just perfect.
www.sewalot.com /tension_adjustments.htm   (3880 words)

 Surface tension, or interfacial tension (, )
The tension acting in the surface of tension is called the surface tension or interfacial tension and is expressed in terms of force per unit length.
In particular, surface tension is the intensive factor in the differential expression for the work required to increase the area of the surface of tension.
The surface tension may, therefore, also be expressed in terms of energy per unit area: it is not, however, in general equal either to the surface energy or to the surface Helmholtz energy per unit area (see §1.2.6).
www.iupac.org /reports/2001/colloid_2001/manual_of_s_and_t/node23.html   (322 words)

[n] a state of mental or emotional strain or suspense; "he suffered from fatigue and emotional tension"; "stress is a vasoconstrictor".
[n] the physical condition of being stretched or strained; "it places great tension on the leg muscles"; "he could feel the tenseness of her body".
[n] a balance between and interplay of opposing elements or tendencies (especially in art or literature); "there is a tension created between narrative time and movie time"; "there is a tension between these approaches to understanding history";.
lookwayup.com /lwu.exe/lwu/d?s=f&w=tension   (148 words)

 Surface Tension
The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension.
Surface tension is typically measured in dynes/cm, the force in dynes required to break a film of length 1 cm.
The surface tension of water is 72 dynes/cm at 25°C.
hyperphysics.phy-astr.gsu.edu /hbase/surten.html#c4   (660 words)

 Tension headache (stress headache), causes, symptoms, diagnosis, and treatments on MedicineNet.com
Tension headaches are usually triggered by some type of environmental or internal stress.
Episodic tension headaches are usually triggered by an isolated stressful situation or a build-up of stress.
Tension headaches tend to be moderate or mild and are rarely severe.
www.medicinenet.com /tension_headache/article.htm   (539 words)

 MedlinePlus Medical Encyclopedia: Tension headache
A tension headache is a condition involving pain or discomfort in the head, scalp, or neck, usually associated with muscle tightness in these areas.
Tension headaches are one of the most common forms of headache.
Tension headaches are not associated with structural lesions in the brain.
www.nlm.nih.gov /medlineplus/ency/article/000797.htm   (902 words)

 Howstuffworks "How Bridges Work"
Tension is a force that acts to expand or lengthen the thing it is acting on.
A simple, everyday example of compression and tension is a spring.
Compression and tension are present in all bridges, and it's the job of the bridge design to handle these forces without buckling or snapping.
www.howstuffworks.com /bridge1.htm   (352 words)

 Headache - Tension - womenshealthchannel
The name "tension headache" therefore can be said to describe a response by the body to emotional strains and pressures, rather than to excessive muscular tightness and resultant constriction of the scalp arteries, as was once widely presumed.
The typical tension headache is one that produces a dull, steady, achy pain on both sides of the head.
Many tension headache sufferers describe their pain as producing a sensation of pressure or tightness around the head, as though a band were pulled tightly around it; others compare the feeling to having their head clamped in an ever-tightening vise.
www.womenshealthchannel.com /headache/tension.shtml   (809 words)

 Tension headache
A tension headache may cause you to experience a dull, achy pain or sensation of tightness in your forehead or at the sides and back of your head.
Tension headache may be made worse by jaw pain from clenching or grinding teeth (bruxism) or by head trauma, such as a blow to the head or whiplash injury.
Chronic tension headaches in children are similar to headaches in adults and are often caused by stress, anxiety or depression.
www.cnn.com /HEALTH/library/DS/00304.html   (4426 words)

 Tension Headache   (Site not responding. Last check: 2007-10-06)
Tension headaches are very common, affecting as many as 40% of teenagers and adults.
In the case of tension headaches, this may be due to the fact that low levels of magnesium may trigger muscle tightness and pain.
Evidence supporting the use of tension headaches that originate in the neck is quite clear; however, studies examining the effectiveness of spinal manipulation for other types of tension headaches have been less conclusive.
www.medformation.com /ac/CAM.nsf/consconditions/HeadacheTensioncc.html   (3462 words)

 From the Cleveland Clinic: Tension-Type Headaches
Tension headaches are the most common type of headaches among adults.
An episodic tension headache may be described as a mild to moderate constant band-like pain, tightness or pressure around the forehead or back of the head and neck.
Chronic tension headaches may vary in intensity throughout the day, but the pain is almost always present.
webmd.com /content/article/46/1826_50695?z=1826_50676_6512_0000_00_13   (675 words)

 TENSION   (Site not responding. Last check: 2007-10-06)
In physics, tension is a force on a body directed to produce strain ; it can be considered to be negative compression.
Tension is the dominant static force acting on such objects as a vibrating string or a stretched rubber band.
In music tension is the perceived need for relaxation or release created by a listener's expectations as well as dissonance, repetition, tempo, a gradual rise in pitch, and other factors.
www.faktoen.com /wiki/en/te/Tension.htm   (178 words)

 Surface Tension
Surface tension is a measurement of the cohesive energy present at an interface.
The measurement of surface and interfacial tension as performed by a tensiometer is based on force measurements of the interaction of a probe with the surface of interface of two fluids.
With any of the techniques described herein you may perform interfacial tension measurements just like surface tension measurements by insuring that the bulk of the probe is submersed in the light phase prior to beginning the experiment.
www.ksvinc.com /surface_tension1.htm   (1403 words)

 eMedicine - Tension Pneumothorax : Article by H Scott Bjerke, MD, FACS
Tension pneumothorax is the accumulation of air under pressure in the pleural space.
The overall incidence of tension pneumothorax in the ICU is unknown.
Tension pneumothorax is a clinical diagnosis requiring emergent needle decompression, and therapy should never be delayed for x-ray confirmation.
www.emedicine.com /med/topic2793.htm   (2552 words)

 Chronic Tension Headache   (Site not responding. Last check: 2007-10-06)
Tension headache is generally described as a bilateral dull ache, pressure or cap-like pain that is usually located in the forehead, neck and shoulder regions.
Behavioral treatments for chronic tension headache have been found to be as effective as pharmacological interventions(8).
A third way of preparing the patient to generalize the biofeedback response is to try to make the office biofeedback training as close to real world situations as possible, such as switching to an uncomfortable chair or standing during the session.
www.bfe.org /protocol/pro08eng.htm   (1912 words)

 Imaging the Imagined: Tensegrity Structures   (Site not responding. Last check: 2007-10-06)
The rubber bands are all in tension and paradoxically have the dual roles of holding the beams apart, and the structure together, in a flexible and stable equilibrium.
None of the beams or tension members are parallel, or perpindicular.
The rubber bands form two triangular faces, and they lie on parallel planes and give the structure a twisted appearance because the triangles differ by a rotation relative an axis perpendicular to the planes and the beams all have the same tilt, relative to that same axis.
www.frontiernet.net /~imaging/tenseg1.html   (408 words)

 AYU Tactical RPG - Tension   (Site not responding. Last check: 2007-10-06)
Once the tension gauge is sufficiently full, the unit will be able to use the skills on its tension list -- in other words, certain skills and spells the unit mastered while it was another class (and, yes, even another class family).
When a tension skill is used, the unit's tension level will drop by half the amount of tension required to use that skill.
Though the game will only show the tension gauge going up to 100%, it can in fact go past this, and in the rare case that it reaches or exceeds 120%, the unit will go into a tension breaker and be able to use a tension skill without waiting for its next turn.
lavenderjade.hyuri.org /Projects/TacRPG/tension.html   (201 words)

 Mastering Stress - Online Therapy - Reduce Your Stress, Fear, Depression, Anxiety and Relationship Problems   (Site not responding. Last check: 2007-10-06)
I'm having tension with my spouse or significant other or ex because of their behavior or attitude toward me which is uncaring, indifferent, or insensitive.
I'm having tension with my spouse or significant other or ex because of their behavior or attitude toward me which is judgmental or overly critical.
I'm having tension with a friend or acquaintance because of their behavior or attitude toward me which is mean or hostile.
www.masteringstress.com   (10241 words)

Tension works with conflict to raise the emotional level of the text to a boiling point.
A better way of thinking about tension might be to constantly raise the stakes for your character, so she has to work to get what she wants.
Tension is what hooks readers of any age and keeps them turning the pages.
absolutewrite.com /novels/tension.htm   (635 words)

 Fiber Tension and Tensioners for Tensioning Fibers
The Helman Tensioner compensates for spool diameter, spool inertia and friction.
The same tensioner that can tension at 1/2 gram can be set up to tension over 20 pounds.
The full scale tension range can be changed from 100 gram to 5, 10, 20 or 30 pounds by hanging a calibrated weight and re-adjusting the tension sensor feedback amplifier.
www.fiber-tensioners.com   (333 words)

 Tension Headaches -- Topic Overview
A tension headache causes a constant ache and tightness around your forehead, temples, or the back of your head and neck.
Usually, pain from a tension headache is mild to moderate and doesn't keep you from performing your daily tasks.
In the past, doctors believed that tension or spasms in the muscles of the neck, face, jaw, head, or scalp played a role.
www.webmd.com /hw/migraines/rt1024.asp   (221 words)

 StockMusic.NET: Search Results ,tension   (Site not responding. Last check: 2007-10-06)
Lost, building, forlorn, tense pads with percussive and contemporary elements building the tension to sub-climaxes and finally to a crescendo that falls aways into an intense struggle.
A desolate, gloomy, forlorn landscape of ethereal pads and elements of tension.
Ultra-hip precision industrial synths combined with modern groove devices convey a sense of fluid motion and tension in a twitchy razor sharp groove.
www.stockmusic.net /collection_db_resultsGenre.cfm?genre=tension   (413 words)

 Setting Bandsaw Blade Tension
The readings of all the saw tension scales that I tested, including those on the expensive floor-model saws, were lower than that indicated on the meter.
A tension meter is the most accurate way of setting the blade tension.
for resawing and tension it until the tension spring is nearly compressed.
www.taunton.com /finewoodworking/pages/w00013.asp   (1247 words)

 AllRefer.com - surface tension (Physics) - Encyclopedia
surface tension, tendency of liquids to reduce their exposed surface to the smallest possible area.
The molecules within the liquid are attracted equally from all sides, but those near the surface experience unequal attractions and thus are drawn toward the center of the liquid mass by this net force.
Because of surface tension, various small insects are able to skate across the surface of a pond, objects of greater density than water can be made to float, and molten lead when dropped into a cool liquid forms suddenly into shot.
reference.allrefer.com /encyclopedia/S/surfacet.html   (270 words)

 Tension Headaches -- familydoctor.org   (Site not responding. Last check: 2007-10-06)
Most people describe a tension headache as a constant dull, achy feeling on both sides of the head.
Some people with tension headaches also have a tight feeling in their head or neck muscles.
It's best to treat tension headaches when they begin and are still mild--before they get more painful.
familydoctor.org /172.xml   (459 words)

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