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Topic: Cone


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In the News (Thu 18 Jul 19)

  
  Math Forum: Ask Dr. Math FAQ: Cone Formulas
A cone is a surface generated by a family of all lines through a given point (the vertex)
the solid enclosed by a cone and the plane of the directrix.
The Math Forum is a research and educational enterprise of the Drexel School of Education.
mathforum.org /dr.math/faq/formulas/faq.cone.html   (211 words)

  
  PlanetMath: cone in $\mathbb{R}^3$
The portion of the surface of the cone belonging to the conical surface is called the lateral surface or the mantle of the solid cone and the portion belonging to the plane is the base of the solid cone.
The intersections of a solid cone and the planes parallel to the base plane are similar.
In any cone, the line segment of a ruling between the base plane and the apex is a side line of the cone.
planetmath.org /encyclopedia/Cone2.html   (613 words)

  
 CONE - LoveToKnow Article on CONE   (Site not responding. Last check: 2007-10-29)
The axis of the cone is the side about which the triangle revolves; the circle traced by the other side containing the right angle is the base; the hypotenuse in any one of its positions is a generator or generating line ; and the intersection of the axis and a generator is termed the vertex.
An oblique cone is the solid or surface traced out by a line which passes through a fixed point and through the circumference of a circle, the fixed point not being on the line through the centre of the circle perpendicular to its plane.
The subcontrary section of an oblique cone is made by a plane not parallel to the base, but perpendicular to the principal section, and inclined to the generating lines in that section at the same angles as the base; this section is a circle.
48.1911encyclopedia.org /C/CO/CONE.htm   (663 words)

  
 Volcanic cone - Open Encyclopedia   (Site not responding. Last check: 2007-10-29)
Volcanic cones are of different types, depending upon the nature and size of the fragments ejected during the eruption.
An ash cone is comprised of particles of silt to sand size.
A cinder cone is a volcanic cone built almost entirely of loose volcanic fragments called cinders (pumice, pyroclastics, or tephra).
open-encyclopedia.com /Volcanic_cone   (404 words)

  
 Tool Tips--Cone Wrenches
Because of their extreme thinness for the nut sizes they ht, cone wrenches must be made of especially high quality steel to stand up to the normal stresses that they will be subjected to in use.
There is a supposedly non-rotating washer between each cone and locknut, which you might think would keep this system from working, but it does not in practice, as long as you start with a reasonably good rough adjustment.
Because cone wrenches come in generally useful sizes, and are very light, it is often tempting to use them for other purposes, such as saddle adjustments and tightening axle nuts or even pedals.
www.sheldonbrown.com /tooltips/conewrenches.html   (1180 words)

  
 Cone biopsy (conization) for abnormal cervical cell changes
A cone biopsy is an extensive form of a cervical biopsy.
It is called a cone biopsy because a cone-shaped wedge of tissue is removed from the cervix and examined under a microscope.
The cone biopsy may be used to diagnose the cause of the abnormal cell changes and remove the abnormal tissue at the same time.
www.webmd.com /cancer/Cone-biopsy-conization-for-abnormal-cervical-cell-changes   (1166 words)

  
 cone on Encyclopedia.com
Usually separate male (staminate, or pollen) cones and female (ovulate, or seed) cones are borne on the same plant.
Each of the numerous scales, or sporophylls, of the staminate cone bears pollen and each female-cone scale bears ovules in which egg cells are produced.
The cones that are commonly observed are the seed cones, which are normally hard and woody although in a few the scales are fleshy at maturity.
www.encyclopedia.com /html/c1/cone-bot.asp   (536 words)

  
 David Cone | BaseballLibrary.com
Cone would credit much of his success to a new pitching attitude born of his departure from the Mets, one which emphasized fewer pitches and cared less about getting batters to swing and miss.
Cone's return was made all the more special by the surprise appearance of his father, who had flown in from Kansas City to watch his son pitch.
Cone will miss leading the NL in strikeouts by one as John Smoltz registers a K on the final day of the season.
www.baseballlibrary.com /baseballlibrary/ballplayers/C/Cone_David.stm   (4064 words)

  
 IDFA - History of the Ice Cream Cone
The cone cooled in a few seconds, the vendor put some ice cream in it, the customers were happy and the cone was on its way to becoming the great American institution that it is today.
The rolled cone was a waffle, baked in a round shape and rolled (first by hand, later mechanically) as soon as it came off the griddle.
The second type of cone was molded either by pouring batter into a shell, inserting a core on which the cone was baked, and then removing the core; or pouring the batter into a mold, baking it and then splitting the mold so the cone could be removed with little difficulty.
www.idfa.org /facts/icmonth/page8.cfm   (458 words)

  
 The Rods and Cones of the Human Eye
The "blue" cones have the highest sensitivity and are mostly found outside the fovea, leading to some distinctions in the eye's blue perception.
The "blue" cones are identified by the peak of their light response curve at about 445 nm.
They are unique among the cones in that they constitute only about 2% of the total number and are found outside the fovea centralis where the green and red cones are concentrated.
hyperphysics.phy-astr.gsu.edu /hbase/vision/rodcone.html   (1039 words)

  
 Webvision:S-cone pathways
Cone mosaic in the fovea where the S-wave or blue cones are evident by size and density differences.
Using special antibodies generated against cone opsins, which are the visual pigments contained within the cone, it is possible to selectively stain the short wavelength sensitive pigment- (or blue pigment) bearing cones (Fig.
They are distinguished from other cones in the fovea by their larger inner segment diameter and their occurrence in a different mosaic than the the more numerous hexagonally packed L- and M-cones.
webvision.med.utah.edu /S-cone.html   (2049 words)

  
 USGS Photo Glossary: Cinder cone
The cone is 95 m in height, and the diameter of the crater at the top is 400 m.
A cinder cone is a steep, conical hill of volcanic fragments that accumulate around and downwind from a vent.
Cinder cones are commonly found on the flanks of shield volcanoes, stratovolcanoes, and calderas.
volcanoes.usgs.gov /Products/Pglossary/CinderCone.html   (314 words)

  
 PlanetMath: cone
The union and intersection of a collection of cones is a cone.
The complement of a cone is a cone.
This is version 4 of cone, born on 2005-10-26, modified 2006-09-15.
planetmath.org /encyclopedia/Cone5.html   (159 words)

  
 PHILCO CONE-CENTRIC TUNING DIAL
This permits the cones to be loosened, moved along the slot and tightened in the desired position in a single operation as the dial is adjusted to tune on a desired station.
The simplest method of determining the positions at which the cones should be preset is by tuning in the particular stations to resonance, using a tuning eye, shadowgraph, vacuum-tube voltmeter (VTVM) or similar device connected to the AVC returns (AVC line), as a resonance indicator.
When the cone is loose, rotate the handle until the station finder (dial pointer) hand is at the the station desired.
www.philcorepairbench.com /conecentric/index.htm   (1800 words)

  
 NewGenealogy
It was thought that William was a descendent of Daniel Cone and Mehitable Spencer.
Through a DNA search this was found to be inaccurate.
  Click on William Cone, R.S., and then you can click on his children’s names to go to each of their pages.
home.alltel.net /edcone   (312 words)

  
 American National Business Hall of Fame, Laureate Albert Lasker Fairfax Cone
Cone's leadership began during a period when the advertising industry was subject to intense public criticism.
Cone endowed the business with a certain dignity and professionalism that made it an excellent model of how a socially responsible advertising agency should behave.
Fairfax Cone was one of those individuals and his efforts to improve advertising's reputation during the next quarter century became one of his greatest contributions to the industry.
www.anbhf.org /laureates/cone.html   (1411 words)

  
 New York Daily News - Sports - David's return is Cone-vincing   (Site not responding. Last check: 2007-10-29)
Cone was 20-3 for the Mets in '88, and last night his breaking balls dove like paper airplanes.
Cone went 2-2 on the slugger, before erasing Guerrero with a 71mph curveball that sent the Mets dugout into a celebration.
Cone, who made his first regular-season appearance since 2001, is now six wins from 200 for his career.
www.nydailynews.com /sports/story/72939p-67543c.html   (772 words)

  
 Toronto/NY Yankees American League recap on ESPN
Cone bounced back from a pounding in Toronto, holding the Blue Jays to three hits in seven scoreless innings Friday night as the New York Yankees won 6-0 for his first victory of the season.
After Cone (1-2) allowed eight runs in three innings in an 8-2 loss to Toronto last Saturday, critics wondered whether the tens of thousands of pitches had finally caught up to the 37-year-old right-hander.
Cone, known for inventing pitches from various arm angles, threw twice with pitching coach Mel Stottlemyre between starts -- one more than usual -- moving his feet on Sunday and adding the rocking motion Tuesday.
espn.go.com /mlb/2000/20000428/recap/tornyy.html   (679 words)

  
 History of the USS CONE DD-866
Cone was reinspected in 3-M on 9-10 August, receiving a grade of satisfactory.
Cone was underway from Washington, DC, on 3 August for participation in COMTUEX 4-78.
Cone was also tasked to provide 56 of her crew members for crossdecking to other ships for "Ocean Venture 81" on 31 May 1981.
home.earthlink.net /~sswats/NavyHistory4.html   (3266 words)

  
 EMRR's Review: Art Applewhite Rockets - Cone Rocket 29mm
There is additional card stock used to cut a smaller internal nose cone reinforcement, which reinforces the pointed conical shape and also holds a small amount of epoxy that serves both as ballast and as tip reinforcement.
The 29mm Cone rocket contains a 29mm motor tube, which loosely fits inside a larger diameter tube, that is used as the Cone's center tube.
The cone is rolled in a manner so that it forms a double-layered cone.
www.rocketreviews.com /reviews/kits/aaw_cone_29mm.html   (2028 words)

  
 Obituaries
Cone was active in the Masonic Lodge, serving successively as Master, High Priest, and Commander while he was residing in Havanna, Cuba.
Surviving Cone are his wife, Kathrin Wise Cone, and a son, Allie Louis Jr., a student in the Columbia Theological Seminary, Decatur, Ga.
Cone, was the only survivor of four brothers in the war of 1776, and, for his devotion and sacrifices to the cause of the Colonies, the state presented him with the Hodges plantation of the Ogeechee River.
www.geocities.com /conereseach/obituaries.html   (2289 words)

  
 Jon Cone - Wizard of Ink
Cone is investigating bringing it to other labs later this year, perhaps through franchising.
Cone may be a technical wizard, but he is also passionate about art.
When Cone switched to printmaking (a discipline which includes lithography, etching, screenprint and relief printing), part of his studies involved working in an atelier in which printers and artists were invited to collaborate.
www.cone-editions.com /wizard-intro.html   (1181 words)

  
 Best Exercises for the Cone
Usually short-waisted and long-legged, Cones benefit from abundant aerobic exercise combined with abdominal and upper-body endurance exercises, which are crucial as they strengthen and protect the back and shoulder regions.
Cones have a propensity for tight hamstrings (just as Rulers do) and their abdominals are usually weak because Cones don't typically work on this region.
Cones who exercise rarely develop osteoporosis in their upper bodies, but because they are more susceptible to lower-body injuries, especially hip fractures, it's important to strengthen and add some mass to their lower bodies as a preventative measure.
www.ediets.com /news/article.cfm/cmi_485180   (598 words)

  
 Wilderness: Cone Snail Sting
A cone snail has a cone-shaped shell, a fleshy foot, a head, and tentacles.
Cone snail shells range in size from less than an inch to 9 inches long.
A few varieties of cone snails eat fish, and these are the most harmful to humans.
www.emedicinehealth.com /wilderness_cone_snail_sting/article_em.htm   (154 words)

  
 Swales Aerospace - Spacecraft - I-Cone
I-Cone is a system to provide fast, frequent, flexible, and affordable access to space for small payloads, either micro / nano satellites (dispenser function) or payloads (satellite platform function).
The I-Cone replaces the satellite adapter during launch carrying the primary manifested space vehicle (SV) loads and uses the normally empty adapter volumes for payload and equipment (Figure 1).
A secondary benefit of I-Cone is the fact that the I-Cone payloads, whether microsats or instruments, are transparent during the integration process.
www.swales.com /spacecraft/icone.html   (810 words)

  
 Cone (geometry) - Wikipedia, the free encyclopedia
If the origin belongs to a cone, then the cone is called pointed.
The union and intersection of a collection of cones is a cone.
This article incorporates material from Cone on PlanetMath, which is licensed under the GFDL.
en.wikipedia.org /wiki/Cone_(geometry)   (255 words)

  
 Special Plane Curves: Conic Sections
The conics were first defined as the intersection of: a right circular cone of varying vertex angle; a plane perpendicular to an element of the cone.
Let α be the angle between the axis of a right circular cone and its element (the generating lines) Let θ be the (smaller) angle formed by the axis of the cone and the cutting plane.
Inscribe a sphere that is tangent to: the cone along a circle C; the cutting plane at a point F. Let P be any point on the conics.
xahlee.org /SpecialPlaneCurves_dir/ConicSections_dir/conicSections.html   (1839 words)

  
 cone. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
The figure formed by a cone, bound or regarded as bound by its vertex and a plane section taken anywhere above or below the vertex.
A unisexual reproductive structure of gymnospermous plants such as conifers and cycads, typically consisting of a central axis around which there are scaly, overlapping, spirally arranged sporophylls that develop pollen-bearing sacs or naked ovules or seeds.
Any of various gastropod mollusks of the family Conidae of tropical and subtropical seas, having a conical, often vividly marked shell and the ability to inflict a poisonous, sometimes fatal sting.
www.bartleby.com /61/68/C0556800.html   (288 words)

  
 cone definition - Dictionary - MSN Encarta
A circular cone has a directrix that is a circle.
Male cones produce pollen, and female cones bear seeds.
There are three different types of cone cells, responding to blue, green, or red light.
encarta.msn.com /encnet/features/dictionary/DictionaryResults.aspx?refid=1861599445   (366 words)

  
 New York Daily News - Baseball - Mets weigh pitch to Cone   (Site not responding. Last check: 2007-10-29)
Cone, 40, last pitched in the majors in 2001, posting a 9-7 record and 4.31 ERA in 135 2/3 innings with Boston.
Should Cone opt to pitch for the Mets this spring and fail to beat out Mike Bacsik, Jason Middlebrook and Aaron Heilman for the fifth spot in the rotation, it's unclear how his affiliation with the Yankee-owned network would be affected.
Cone pitched for the Mets from 1987 to '92, producing an 80-48 record and 3.08 ERA.
www.nydailynews.com /sports/baseball/story/59377p-55611c.html   (585 words)

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