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     2  +19 2014 sep 02pellet stove installationpellet stove installation - The Worlds of David DarlingInstalling a freestanding pellet stove is much like installing a conventional wood ... Whether you intend to do the installation yourself or have a dealer do it, ...
     2  +1 2014 aug 25gto speed orbitgeosychronous/geostationary transfer orbit ( GTO )geosychronous / geostationary transfer orbit ( GTO ) ... Because the greater the initial inclination, the greater the velocity change (delta v) needed to remove this  ...
     2  +7 2014 jul 30what liquid expands mostexpansion of liquids - The Worlds of David DarlingIn other words, whether it is a solid, a liquid , or a gas, it expands on heating. We make use of the expansion of a liquid in the most common type of thermometer.
     2  +99 2014 jul 23canadian space gazetteCanadian Space Society (CSS) - The Worlds of David DarlingIts main aim is to sponsor and promote the involvement of Canadians in the development of space. CSS publishes a newsletter, The Canadian Space Gazette , ...
     3  ~ 2014 sep 16rsc energiaEnergia Rocket & Space Corporation ( RSC Energia )A large Russian aerospace company which evolved from Sergei Korolev's design bureau, later known as Energia NPO and now as Energia RSC . It is currently ...
     3  +12 2014 aug 29canadian pellet stovespellet stove manufacturers: United States and CanadaThe following is a list of manufacturers of pellet stoves (including wood pellet stoves , corn pellet stoves , and multi-fuel pellet stoves ) and pellet stove inserts in  ...
     3  ~ 2014 aug 10marphan neck painMarfan syndrome - The Worlds of David DarlingIn Marfan syndrome, the body produces fibrillin 1 that does not work properly. .... If symptoms occur, they may include pain in the chest, upper back, neck , and ...
     3  +5 2014 jul 27wood pellets clinkerwood pellets - The Worlds of David DarlingWood pellets are the fuel most commonly used in pellet stoves. ... A fuel's tendency to form clinkers in a stove cannot be predicted by laboratory analysis both ...
     3  +8 2014 jul 24franz von paulaGruithuisen, Franz von Paula (1774-1852)German physician-turned-astronomer, among the most prolific of his age in terms of published output, and professor of astronomy at Munich from 1826, who ...
     3  +98 2014 jul 21canadian space societyA federally-incorporated nonprofit organization inspired by the old L5 Society . Its main aim is to sponsor and promote the involvement of Canadians in the ...
     4  -1 2014 sep 27eros planetEros (minor planet 433) - The Worlds of David DarlingGiven URL is not allowed by the Application configuration.: One or more of the given URLs is not allowed by the App's settings. It must match the Website URL or ...
     4  ~ 2014 sep 25exotic matterexotic matter - The Worlds of David DarlingA possible source of exotic matter lies in the behavior of certain vacuum states in quantum field theory (see Casimir effect). If such matter exists, or could be ...
     4  +97 2014 sep 12peltonturbinePelton turbine - The Worlds of David Darling
     4  +6 2014 aug 25muscle groups picture freeskeletal muscles and muscle groups - The Worlds of David Darlingskeletal muscles and muscle groups . Tweet ... front of the human body. This image may not be reproduced in any form without permission ...
     4  +22 2014 jul 29two stage evaporative coolertwo - stage evaporative cooler - The Worlds of David DarlingAn advanced type of evaporative cooler , also known as an indirect/direct cooler, that produces cool air with a much lower relative humidity than that produced by ...
     5  +2 2014 sep 24llrvLunar Landing Research Vehicle ( LLRV )A flying contraption used by American astronauts as part of their training in how to control the Apollo Lunar Module (LM) during descents to the surface of the ...
     5  +96 2014 aug 28star trek beamtransporter ( Star Trek ) - The Worlds of David DarlingThe device, first seen aboard the Starship Enterprise in the Star Trek original series, which made the concept of teleportation familiar to a wide audience. " Beam  ...
     5  +16 2014 aug 27one person transporterstransporter (Star Trek) - The Worlds of David Darling"Beam me up, Scotty" became one of the small screen's most oft-repeated ... The Star Trek Encyclopedia, the transporter "briefly converts an object or person into ...
     6  +1 2014 sep 28sources of magnesium flashmagnesium ( Mg ) - The Worlds of David DarlingIt was formerly used to make flash bulbs in photography. ... The most important sources of magnesium are seawater and dolomite rock, a mixture of calcium and  ...
     6  +1 2014 sep 21casimir effectCasimir effect - The Worlds of David DarlingThe Casimir effect is one of several phenomena that provide convincing evidence for the reality of the quantum vacuum – the equivalent in quantum mechanics ...
     6  +17 2014 sep 07earth sheltering advantagesearth - sheltered home - The Worlds of David DarlingThere are many advantages to earth - sheltered construction. An earth - sheltered home is less susceptible to the impact of extreme outdoor air temperatures, ...
     6  +95 2014 aug 28star trek transporterThe device, first seen aboard the Starship Enterprise in the Star Trek original series, which made the concept of teleportation familiar to a wide audience. " Beam ...
     6  +12 2014 aug 04how pellet stove workspellet stoves : how they work - The Worlds of David DarlingPellet stoves work by automatically dispensing pellets (made of wood, corn, or some other biomass material) from a hopper into a firepot or burn box. A typical ...
     7  +2 2014 sep 25black eye galaxyBlack Eye Galaxy (M64, NGC 4826) - The Worlds of David DarlingHubble Space Telescope image of M64, the Black Eye Galaxy , taken in 2001. A relatively nearby spiral galaxy, in the constellation Coma Berenices, with a ...
     7  +45 2014 aug 23space adventures ltdSpace Adventures Ltd - The Worlds of David DarlingAs well as its involvement in arranging orbital flights, Space Adventures Ltd is developing a passenger suborbital space program, with licensed passenger flights ...
     7  ~ 2014 aug 22solar geyser repairssolar water heater maintenance and repairSolar energy systems require periodic inspections and routine maintenance to keep them operating efficiently. Also, from time to time, components may need ...
     7  +94 2014 aug 09concrete block insulationconcrete block insulation - The Worlds of David DarlingInsulated concrete blocks can accommodate many walls in a home. Their cores are filled with insulation (except for those cells requiring structural steel ...
     8  -3 2014 sep 27remote manipulator systemRemote Manipulator System ( RMS ) - The Worlds of David DarlingTwo large robot arms and associated equipment, one of which is attached to the Space Shuttle Orbiter for payload deployment and retrieval, the other to the ...
     8  -1 2014 sep 26latin muscleMost skeletal muscles have Latin names that describe some feature of the muscle ; the more familiar ones also have everyday names, such as the hamstring  ...
     8  ~ 2014 sep 22vy canis majorisVY Canis Majoris : one of the largest stars knownA red hypergiant star that is one of the largest and most luminous known stars in the Milky Way Galaxy. VY Canis Majoris , an irregular pulsating variable, lies ...
     8  +1 2014 sep 16space stonesComets, Meteors, and Asteroids: 5. Meteorites: Stones From the SkyMeteorites: Stones From the Sky. Tweet. The biggest space rocks, comets and asteroids, hardly ever hit the Earth. The smallest meteors, burn up in the ...
     8  +93 2014 sep 11very large telescopeVery Large Telescope (VLT) - The Worlds of David Darling
     8  +93 2014 aug 23brown dwarf starbrown dwarf - The Worlds of David DarlingA sub-stellar object – one that is intermediate in mass between a star and a planet; brown dwarfs (which are not really brown but a very dull red) are sometimes ...
     8  +54 2014 jul 25light gas gunlight - gas gun - The Worlds of David DarlingA device used to fire small objects at very high speeds against a target. Light - gas guns are used in hypervelocity research, such as studying the ablative effect of ...
     9  +1 2014 sep 30hybrid solar lightshybrid solar lighting - The Worlds of David DarlingRather than using solar modules, which transform solar energy into electricity, store that electricity, and use it to power lights throughout a building, hybrid solar  ...
     9  +9 2014 sep 28plant cell cross sectionplant cell - The Worlds of David DarlingCross section through a plant cell and surrounding cells. The most prominent feature is the nucleus (1), which contains the cell's DNA, normally arranged in thin ...
     9  +12 2014 sep 23earth contact homeearth - sheltered home construction - The Worlds of David DarlingBefore designing an earth - sheltered home , you should consider what's involved in its construction, including your construction material options.
     9  ~ 2014 sep 15home depot wood pelletswood pellet cost and availability - The Worlds of David DarlingWood pellets for wood pellet stoves are neither cheap nor readily available ... Your local Home Depot , Wal-mart, Lowes, Ace, Agway, etc. may carry wood pellets  ...
     9  -2 2014 sep 11epithelial layer lining cheekepithelium - The Worlds of David DarlingA layer or sheet of cells that lines a body cavity; they show an unusually high ... cells of the skin and the lining of the cheek form stratified squamous epithelium .
     9  +92 2014 sep 11slime mouldslime mold - The Worlds of David DarlingThere are two major groups, the plasmodial slime molds and the cellular slime molds , which differ most notably in their behavior in the motile phase.
     9  +27 2014 sep 07get off the earthGet Off the Earth - The Worlds of David DarlingA famous vanishment puzzle by Sam Loyd, first published in 1896. The picture is made from a rectangular background of card on top of which a circular card, ...
     9  +4 2014 sep 03this statement is falseLiar paradox - The Worlds of David Darling" This statement is false ." What do we make of this statement (call it S)? If S is true, then S is false. On the other hand, if S is false, then it is true to say S is false; ...
     9  +92 2014 sep 02canada france hawaii telescopeCanada - France - Hawaii Telescope (CFHT)A 3.6-meter optical and infrared telescope located above 4,000 m on Mauna Kea, Hawaii . The CFHT, which opened in 1979, is a joint facility of the National ...
     9  +24 2014 aug 21under cabinet natural lightkitchen undercabinet lighting - The Worlds of David DarlingLEDs are a natural fit for undercabinet lighting . The ability to string LEDs in a linear array or to cluster them in a puck-like fashion provides options to lighting  ...
     9  +9 2014 aug 19red phosphorus hot waterphosphorus (P) - The Worlds of David DarlingRed phosphorus is a non-poisonous, dark red powder that is not very ... Red phosphorus is finally washed with hot water , filtered, and dried under vacuum.
     9  +92 2014 aug 04polysterene bead roof insulationfoam board insulation - The Worlds of David DarlingTo make beadboard, loose, unexpanded polystyrene beads containing liquid ... wall insulation foam boards are several times less dense than roof boards.
     9  +6 2014 jul 18settling in italyRome, early history - The Worlds of David DarlingItalan people. The people who inhabited Italy when Rome was founded ... The people who settled in northern Italy in those earliest days were called Ligurians.
     10  +5 2014 oct 04casting out ninescasting out nines - The Worlds of David DarlingA method for checking arithmetic that uses the idea of the digital root of a number. Let the digital root of a number n be r (n); for example, r (7586) = 8. For any two ...
     10  +14 2014 oct 04many worlds interpretationmany - worlds interpretation - The Worlds of David DarlingAn interpretation of quantum mechanics, first proposed by the American physicist Hugh Everett III in 1957, according to which, whenever numerous viable ...
     10  +15 2014 sep 23pericardiumpericardium - The Worlds of David DarlingThe serous membrane (covering membrane) which, in humans and other vertebrates, forms the wall of the pericardial cavity and holds the heart in place.
     10  +2 2014 sep 22wood pellets home depot
     10  +91 2014 sep 10orion beltOrion's Belt - The Worlds of David Darling
     10  +91 2014 sep 09orion's belt
     10  +91 2014 sep 07parts of the mouthmouth - The Worlds of David DarlingAlso called the oral cavity, the mouth is the first part of the gastrointestinal tract (or alimentary canal). The boundaries of the mouth are formed by the lips, cheeks, ...
     10  +73 2014 sep 03belt of orion
     10  +25 2014 aug 30pellet stoves in canada
     10  +1 2014 aug 16solar panel sales indiasolar panel manufacturers: India - The Worlds of David Darlingsolar panel (module) manufacturers: India . Tweet. solar panels .... +91 9888897248 fax: - email: sales @radhasolar.com or info@solarexporterindia.com website: ...
     10  +24 2014 aug 08concentrating solar collectorsconcentrating solar collector - The Worlds of David DarlingA solar collector that uses reflective surfaces to concentrate sunlight onto a small area, where it is absorbed and converted to heat or, in the case of solar  ...
     10  +79 2014 aug 03needle nose plierneedle nose pliers - The Worlds of David DarlingAlso known as long- nose pliers , a versatile tool that has long, tapering jaws with a pointed tip. Among their many uses are gripping, bending, and cutting ...
     10  +73 2014 jul 18solar power srlsolar panel (module) manufacturers: ItalyAV Project S.r.l. . AV Project logo. Via Toppole, 83030 Manocalzati (AV), Italy tel: + 39 0825 675467 fax: +39 0825 676798 e-mail: info@avproject.it website: ...
     11  -4 2014 sep 28to function effectively enzymes requireenzyme - The Worlds of David DarlingTo work effectively , a good physical fit is needed between the enzyme and the other molecule(s) – the ... Many enzymes require the assistance of certain accessory substances, known as cofactors and coenzymes, to function properly.
     11  +6 2014 sep 28plutoidplutoid - The Worlds of David DarlingAny dwarf planet that orbits beyond the orbit of Neptune. Currently only two known objects fall into this subcategory, Pluto and Eris, although many more plutoids  ...
     11  +10 2014 sep 26bubble chamberbubble chamber - The Worlds of David DarlingA bubble chamber consists of a vessel filled with a liquid heated nearly to the boiling point. When the pressure on the fluid is suddenly dropped, the fluid ...
     11  +1 2014 sep 26convergent evolution cactusconvergent evolution - The Worlds of David DarlingThe frequency with which convergent evolution , or convergence, has ... But despite the cactus -like appearance, euphorbias are not closely related to cacti .
     11  +11 2014 sep 25t puzzleT - puzzle - The Worlds of David DarlingA surprisingly difficult tiling puzzle , given that there are only four pieces; it dates back to the start of the 20th century. The four pieces shown must be arranged to ...
     11  +9 2014 sep 21reynolds numberReynolds number - The Worlds of David DarlingThe most important dimensionless number in fluid dynamics. Reynolds number ( Re) is the ratio of inertial forces to viscous forces and is given by the formula: ...
     11  -3 2014 sep 17energia corporationEnergia Rocket & Space Corporation (RSC Energia )A large Russian aerospace company which evolved from Sergei Korolev's design bureau, later known as Energia NPO and now as Energia RSC. It is currently ...
     11  +18 2014 sep 09rocket and space corporationEnergia Rocket & Space Corporation (RSC Energia)
     11  +72 2014 aug 27flat plate collectorflat - plate solar collector - The Worlds of David DarlingA flat - plate solar collector is one of three main types of solar collectors , which are key components of active solar heating systems. The other main types are ...
     11  +69 2014 aug 26rocket racing leagueRocket Racing League (RRL) - The Worlds of David DarlingThe Rocket Racing League was originally planned to begin racing in 2007 and serve as the primary race support and hosting element of the X Prize Cup to be ...
     11  +29 2014 aug 12solar heat gain coefficientsolar heat gain coefficient - The Worlds of David DarlingThe solar heat gain coefficient ( SHGC ) has replaced the shading coefficient (SC) as the standard indicator of a window's shading ability. SHGC is expressed as ...
     11  +5 2014 aug 02absorbent glass matabsorbed glass mat ( AGM ) battery - The Worlds of David DarlingA relatively new type of sealed battery construction that uses saturated absorbent glass (boron silicate) mats between the plates instead of a gelled or liquid ...
     11  +80 2014 jul 31medium earth orbitmedium Earth orbit ( MEO ) - The Worlds of David Darlingmedium Earth orbit ( MEO ). Tweet. types of Earth orbit. An orbit that is intermediate in altitude between that of low Earth orbit (LEO) and geostationary orbit (GSO) ...
     11  +19 2014 jul 25hydrogen peroxide boiling pointhydrogen peroxide - The Worlds of David DarlingPure hydrogen peroxide is stable, but the slightest impurity will enhance decomposition, often violently, liberating oxygen. ... boiling point , 150.2°C ( 423.35 K).
     11  +3 2014 jul 21underground wood structureearth-sheltered home construction - The Worlds of David DarlingHowever, using wood as a structural material requires wooden frame walls, which ... sheets are among the most common types of underground waterproofing.
     12  +11 2014 sep 26world deepest natural hole4. The Deepest Holes in the World - The Worlds of David DarlingEver Dig a Hole to China? > 4. The Deepest Holes in the World ... deepest holes in the world . Some of the deepest holes , natural and manmade, in the world  ...
     12  +3 2014 sep 21spinal cord termination pointspinal cord - The Worlds of David DarlingThe spinal cord originates at the lower (inferior) end of the medulla ... It terminates at a conical point known as the conus medullaris, from which a strand of ...
     12  +2 2014 sep 18orions belt
     12  +5 2014 sep 18parallel muscleskeletal muscle - The Worlds of David DarlingAlso known as striated muscle or striped muscle , a type of muscle , attached to bones, ... In some muscles the fibers are parallel to the long axis of the muscle , ...
     12  +32 2014 sep 14high end heat pumpsair-source heat pump - The Worlds of David DarlingThis is similar to the common desuperheater coil found on the high - end heat pumps and air conditioners (discussed below). The main difference is that the RHR ...
     12  -4 2014 sep 07economical stovechoosing and buying a pellet stove - The Worlds of David DarlingPellet stoves can be an efficient and economical way to heat all or part of your home. But before investing in one you need to look closely at a number of factors.
     12  +9 2014 aug 25roof and sun shadowsroof overhang - The Worlds of David DarlingIn passive solar home design, exterior roof overhangs provide a practical ... The higher overhead the sun is, the shorter the shadow a person will cast on the ...
     12  +89 2014 aug 24hand muscle groupsMost joints are moved by groups of muscles rather than by a single muscle ... bend and straighten the fingers, for example, are not in the hand but in the forearm.
     12  +17 2014 jul 26dual fuel heat pumpdual - fuel heat pump - The Worlds of David DarlingA heating appliance that combines an electric heat pump and a gas furnace. Dual - fuel heat pumps are effective in regions where the winter temperature is ...
     12  +71 2014 jul 17wheat straw boardstrawboard panel - The Worlds of David DarlingA rigid building panel made of a solid core of compressed wheat (or rice) straw covered with recycled paper liners which are stuck to both sides with non-toxic, ...
     13  +25 2014 sep 26thymus gland areathymus gland - The Worlds of David DarlingThe primary lymphatic organ in the body; it is located over the heart and/or in the neck area , anterior to the ascending aorta and posterior to the sternum.
     13  +21 2014 sep 21cetiCETI (Communication with ExtraTerrestrial Intelligence)Unlike SETI, which is a passive, listening pursuit, CETI attempts to initiate a dialogue with intelligent extraterrestrials. It does this by actively sending out coded ...
     13  -1 2014 sep 18eukaryotic cellseukaryotic cell - The Worlds of David DarlingComparison of a typical eukaryotic cell with a typical prokaryotic cell (bacterium). The drawing on the left highlights the internal structures of eukaryotic cells , ...
     13  -6 2014 sep 10polarisation rope experimentpolarization - The Worlds of David DarlingThe vibrations in the rope will only pass through the narrow gap in the railings if the ... However, experiments show that the waves vibrate at right angles to the ...
     13  +88 2014 sep 06advanced communication satelliteACTS ( Advanced Communications Technology Satellite )Experimental NASA satellite important in the development of technologies used in subsequent comsats.
     13  +40 2014 aug 28sriharikota space centreSatish Dhawan Space Centre , Sriharikota (SHAR)The main launch site of the Indian Space Research Organisation (ISRO). The Satish Dhawan Space Centre , also known as the Sriharikota Range (SHAR), ...
     13  +9 2014 aug 28position of the liverliver - The Worlds of David Darlingposition of the liver . The liver is situated mostly in the top right portion of the abdominal cavity just under the diaphragm. It can be felt as a hardish mass just ...
     13  +88 2014 aug 23flat plate solar collectorA flat - plate solar collector is one of three main types of solar collectors, which are key components of active solar heating systems. The other main types are ...
     13  +42 2014 aug 21how vomiting occursvomiting - The Worlds of David DarlingInvoluntary forcible expulsion of stomach contents through the mouth. It occurs by reverse peristalsis after closure of the pyloric sphincter and opening of the ...
     13  +6 2014 jul 25crystal computer chipMicromachines and Nanotechnology - The Worlds of David DarlingNanotechnology > 2. Computers , Crystals , and Chips ... A complete, special- purpose computer can be formed on a silicon chip smaller than an ordinary spider ...
     14  +12 2014 oct 03atmosphere of venusatmosphere of Venus - The Worlds of David DarlingVenus has a dense atmosphere , composed chiefly of carbon dioxide, which generates a surface pressure 90 times greater than that on Earth. This massive ...
     14  ~ 2014 sep 29water soluble trunkslymphatic system - The Worlds of David DarlingAs blood passes through the capillaries some of the water - soluble material ... and the left and right lumbar trunks , which carry lymph from the lower limbs and the ...
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