EXERCISE N. 1 The demand and supply curves for fixed gear bikes in Hipsterland are �� = 75 − 1.5� and �� = 1.5� − 30. a. Find the equilibrium price; b. Find the equilibrium quantity; c. What are the consumer surplus, producer surplus, and total welfare at the market equilibrium? qD = 75 – 1,5*p => p = 50 – 2/3*q qS = 1,5*p – 30 => p = 20 + 2/3*q 75 – 1,5*p = 1,5*p – 30 3*p = 105 p* = 35 q* = 22,5 p S 50 35 2 0 D 22, 75 q 5 Producer surplus: ((35 – 20)*22,5)/2 = 168,75 Consumer surplus: ((50-35)*22,5)/2 = 168,75 Total welfare: 168,75 + 168,75 = 337,5 EXERCISE N. 2 When the price of apple juice rises by 3%, the quantity demanded drops by 8%. Then, demand of for apple juice is elastici? E...
Output Current, mA 6 4 2 0 13 14 15 16 17 18 19 20 21 Output Voltage, V Fig. 8 SCR load curve Conclusions: This laboratory work was aimed to test and compare the SCR type regulator and Switch type regulator. From control characteristics and their curves we can see a notable difference in behavior of output voltage between the two regulators. The dependenct on firing angle is also shown quite clearly. Load curve for the Switch type was relatively normal considering all values, yet the data and graph for the SCR load curve is eratic and jumps up and down. 6
A 16 feet bronze statue of Victory, weighing three tons, revolves in the uppermost section of the building Contemporary Architecture Bahai Temple After the British left India in 1947 Indian architecture dropped into an abyss; Indian architects during the British period had been relegated to being assistants, and they were not involved in the actual design of monuments; Dilemma between the Revivalists and the Modernists Experiments with new ideas; Instead of soft curves, there are now harsh lines; Basic design is flat and square, not round anymore; Used material http://www.culturalindia.net/indian-architecture/indo-islamic.html http://www.indiasite.com/architecture/contemporary.html http://www.world-mysteries.com/mpl_TajMahal.htm http://www.wikipedia.org/ Thank you for your attention! It was quite boring, i know
And beforehand you would have to hire a consultant, who would also liked to get paid, to advise you on design and to verify the home´s efficiency. And last but definitely not the least negative side, which people might consider, is that looks count too. Most passive homes have limited windows and a boxy shape, which is the easiest geometry to keep insulated and highly energy efficient. Homes with curves and larger footprints require extra insulation and sealing , therefore they cost more money. Now let´s imagine, that despite all the extra fees, you still want to build an energy efficent house. So you must wonder, how high the standard is? Well, one passive house consultant in US reviewed a home, that was designed to earn top raiting from the Green Building Council, and yet he determined that it wouldn´t
The .cloisxer and refectory contain a permanent exhibition of carved stone slabs. Sea and limestone ( dolomaite) are two symbols of northern Estonia. Tallinn owes much of its distincitve flavour to the use of the beautiful stone in its walls and towers,and in its secular and religious architecure. Carved stone decorated public buildings and private houses. The designs employed belong to the Gothic renaissance and Baroque periods. Windows were emphasized by slender piers and graceful curves. Armorial sheilds bespoke the pride of their owners. The monumental masons of Talliun were famous throughout northern Europe. Their carvings were in demand in Finland and other countries. The profession was highly organized. The masters constituted an exclusive guild. Boys served a three-year apprenticeship during which they were bound to a patricular master. If an apprentice ran away no other master could employ him. The next stage was that of journeyman. Its
· Equilibrium as a "balance of forces" · Equilibrium as "a point from which there is no endogenous `tendency to change'" · Equilibrium as an " outcome which any given economic process might be said to be `tending towards', as in the idea that competitive processes tend to produce determinant outcomes."" Buyer and seller equilibrium To develop this idea, it is useful to take still another view of supply and demand curves, to view demand as points of buyer equilibrium and supply as points of seller equilibrium. When the market price is below the equilibrium price the quantity demanded exceeds the quantity supplied. At the price below equilibrium, buyers are willing and able to purchase an amount that is greater than the suppliers produce and offer for sale. · The buyers will "bid up" the price by offering a higher price to get the quantity they want.
In some markets there is a single firm that controls a dominant share of the market and a group of smaller firms. The dominant firm sets prices which are simply taken by the smaller firms in determining their profit maximizing levels of production. This type of market is practically a monopoly and an attached perfectly competitive market in which price is set by the dominant firm rather than the market. · The demand curve for the dominant firm is determined by subtracting the supply curves of all the small firms from the industry demand curve. After estimating its net demand curve (market demand less the supply curve of the small firms) the dominant firm maximizes profits by following the normal p-max rule of producing where marginal revenue equals marginal costs. The small firms maximize profits by acting as PC firms - equating price to marginal costs. Cournot-Nash Model · The Cournot-Nash model is the simplest oligopoly model.
231 Surface TextureContour Measuring Instruments Explanation of Surface CharacteristicsStandards Basic surface texture parameters and curves Amplitude parameters (peak and valley) Amplitude average parameters Rp Rt Ra
Normal Profit In neoclassical economics, all costs should be included: - wages represent the cost of labour - interest represents the cost of kapital - rent represents the cost of land - "normal profit [ P ]" represents the cost of entrepreneurial activity Normal profit includes risk Economic Costs Production and Costs COST CURVES: - Fixed Costs (TFC) = costs that do not vary with output (present even when output, q, = 0) - Variable Costs (TVC) = costs that vary with the rate of output - Total costs (TC) = TFC + TVC - Average Variable Cost (AVC) = total variable cost/ number of units produced - Average Fixed Cost (AFC) = fixed costs/ output (units produced) - Average Total Cost (ATC) = total cost (variable and fixed) / number of units produced
riders. 3 The Example The free rider problem has deep roots in more general bargaining, and issues to do with incentive compatibility. That is to say that, when involved in bargaining problems, players may often bid less than they are prepared to pay in the hope of improving their own position. This creates problems because it is impossible to discover the players' true demand payoff curves. Suppose there is a street, on which 25 people live, and which suffers from a litter problem. A weekly street-cleaning service would cost $2,500 annually. Suppose that each person is prepared (i.e., able and willing) to pay $100 or more for the benefit of a cleaner street. If the service is engaged, everyone will benefit. However, it is possible that some people on the street will refuse to pay, anticipating that the service will be undertaken in any event.
They are known for their rolling plains and extreme climate with long, cold winters and hot, dry summers. Much of the area is covered with farms producing large quantities of wheat and other grains. The region is also rich in oil and natural gas. Northern Saskatchewan and Manitoba are covered by the Great Canadian Shield a rocky landscape with lakes, rivers and forests. The Canadian Shield is a vast horseshoe-shaped region. It curves round Hudson Bay from the Arctic coast of the Northwest Territories to the coast of Labrador, the mainland part of Newfoundland. The Canadian Shield covers about half of Canada and is made up of extremely ancient rock. The Canadian Shield mostly consists of eroded hilly terrain and contains thousands of lakes. These lakes are the sources of rivers that break into great rapids and waterfalls used for hydroelectric production, providing power for pulp and paper mills,
flaming, leafy or shell- like textures in asymmetrical sweeps and flourishes and broken curves; intimate Rococo interiors suppress architectonic divisions of architrave, frieze and cornice for
Kasulikkuse Utility maximizing rule Правило максимизации maksimiseerimise reegel полезности Kahaneva piirkasulikkuse Law of diminishing marginal utility Закон убывающей предельной seadus полезности ükskõiksuskõver Indifference curves, IC Кривая безразличия Asenduse piirmäär Marginal rate of subtitution, MRS Предельная норма замещения Asenduse seadus Law of subtitution Закон замещения Ükskõiksusväli, - kaart Indifference map Карта безразличия
Heaoluökonoomika uurimisprobleemid: Heaoluökonoomika üheks keskseks uurimisprobleemiks on erinevate kaubahulkade kasulikkuse omavaheline võrdlemine. Tarbija eelarve võimaldab valida erinevaid tarbimise kombinatsioone, mis võimaldavad maksimaalselt ära kasutada sisstuleku ja on kulutuste seisukohalt samaväärsed. Kriteeriumiks, kuidas tarbija teeb valikuid, on kasulikkus. Ükskõiksuskõverate mudel (Indifference Curves): Tarbijal on võimalik valida mingi kombinatsioon soovitud kaupadest. Teatud kaupade kombinatsioonid on tarbija jaoks samaväärsed ehk annavad võrdse kasulikkuse Seda saab graafiliselt väljendada samaväärsuskõvera (ükskõiksuskõvera) abil. (4Õ või 2P/ 2Õ ja 4P). Mida kaugemal 0 punktist, seda suuremat kasulikkust ükskõiksuskõver näitab! Üldjuhul kumerad ja ei lõiku kunagi! Tarbimise tasakaal: Kasutades ükskõiksuskõveraid ja eelarve joont saame leida tarbimise
5 Expressionism. Expressionism is distinguished by strong subjectivity, brilliant colors and violence. Mysticism was one source of inspiration. Artists: Morris Graves, Mark Tobey. Abstraction. Geometric abstraction continued to develop under the influence of European immigrants. In 1936, the American Abstract Artists organization was established. Members of this were precise, used sharp-edged rectilinear shapes, geometric curves and flat colors. Artists: George L. K. Morris, Ad Reinhardt, Stuart Davis. Post-WWII Abstract Expressionism. American art was maturing. Abstract Expressionism (or Action Painting or the New York School) sometimes renounced representational content. The three currents that produced Abstract Expressionism were abstraction ("plastic" values), Expressionism (emotional intensification) and Surrealism (automatism). The catalyst for this movement was the presence of European artists in New York
5 Expressionism. Expressionism is distinguished by strong subjectivity, brilliant colors and violence. Mysticism was one source of inspiration. Artists: Morris Graves, Mark Tobey. Abstraction. Geometric abstraction continued to develop under the influence of European immigrants. In 1936, the American Abstract Artists organization was established. Members of this were precise, used sharp-edged rectilinear shapes, geometric curves and flat colors. Artists: George L. K. Morris, Ad Reinhardt, Stuart Davis. Post-WWII Abstract Expressionism. American art was maturing. Abstract Expressionism (or Action Painting or the New York School) sometimes renounced representational content. The three currents that produced Abstract Expressionism were abstraction ("plastic" values), Expressionism (emotional intensification) and Surrealism (automatism). The catalyst for this movement was the presence of European artists in New York
- Tarbija tarbib erinevaid kaupu ja teenuseid erinevates kogustes ehk valib oma eelarve piires mingi konkreetse kombinatsiooni kaupu ja teenuseid - Oluline on teada, missugune on nende kaupade optimaalne kogus Eelarvejoon Eelarvejoon näitab tarbija sissetuleku ja kaupade hindade vahekorda ehk seda kui palju võimaldab eelarve tarbida. Eelarvejoon võib muutuda tarbija sissetuleku või kaupade ja teenuste hindade muutudes Ükskõiksuskõverate mudel (Indifference Curves) Tarbijal on võimalik valida mingi kombinatsioon soovitud kaupadest Teatud kaupade kombinatsioonid on tarbija jaoks samaväärsed ehk annavad võrde kasulikkuse Seda saab väljendada samaväärsuskõvera (ükskõiksuskõvera) abil Ükskõiksuskõvera mudel eeldab, et ühe kauba tarbimise suurendamine on võimalik ainult teise kauba tarbimise vähendamise arvel Ükskõiksuskõverad Tarbija jaoks võib olla erinevaid kaupade kogumeid lõpmatul hulgal, seega võib ka
The gate is the control lead.The SCR is triggered into conduction by applying a gate-cathode voltage, which causes a specific level of gate current.When the SCR is turned off, it stays in a non-conducting state until it recieves another trigger.Therefore the SCR can be termed as one-operation thyristor or rectifier thyristor.B)the anode-side SCR with an n-gate lead.C)the cathode-side thyristor with a p-gate lead.C)most common device. 5)Input characteristic:The curves show the relation between the gate current and the gate voltage.This relation has a broad coherence area with a width that depends on the temperature and design properties of the device.The gate current has an effect upon the form of the characteristic.The value of a breakover voltage is the function of the gate current. The more the gate current, the lower level of voltage is required to switch on the thyristor.
which rested lightly on an intermediate pier when loaded. It was burned by the French in 1799 during the Napoleonic Wars. One of the few Grubenmann bridges to survive is Rumlangbrücke (1766), with a span of 89ft (27m). Figure 6 Bridgeport Bridge (1862), clear-spanning 208ft (63m) over the South Fork of the Yuba River near Grass Valley, California (USA), has two parallel trusses based on the Howe patent of timber and iron rods, flanked by solid wooden arches cut to the curves and reflected in the exterior siding. It is the second longest covered wooden bridge span in the USA, after the Blenheim Bridge (1855) in New York State, which is 210ft (64m). Jet Lowe, HAER Collection European engineers visiting the New World during the 19th century marvelled at the spans achieved by American timber bridges. Especially noteworthy was Louis Wernwag's 340ft (104m) arch truss of
43 Panen järgmiseks kirja millised vahendid Adobe Photoshopil on ja siis vaatame mõningaid lähemalt. Brightness/Contrast Selle kihi abil saame lihtsalt pilti teha heledamaks (brightness) või tumedamaks ning muuta kontrasti (contrast). Lihtsalt haara liuguritest või sisesta arvud käsitsi. Kui see ei anna sulle soovitud tulemust, siis täpsema kontrolli saavutamiseks proovi hoopis Levels või Curves valikut. Mõningatel korrigeerimistel on juures ka nupp Auto, mis lubab Photoshopil otsustada parima seadistuse üle. Kõige lõpus asub aga nupp Use Legacy, mille sisselülitamisel liigute nö. vana algoritmi juurde, mis oma olemuselt oli "rumal" ja võttis kõiki piksleid kui võrdselt. Ilma selle valikuta arvestab programm heledate (highlights), tumedate (shadows) ja neutraalsete (midtones) toonidega. Soovitav on seda valikut mitte teha.
wingtips and in the wing center, how- entiously built wing is not being the 20% load and 100% load will ever, yardsticks installed midway tortured at all. most likely be slightly bent. Nothing between the wing root and the tips First we have to remove slack in the wrong with that. However, if it curves may be of interest for the more engi- supporting fixture and in fittings, pins, excessively, as indicated in Figure 10 neering oriented builder. bolts, rivets, etc. We note positions of with a broken curve, we know we are Three people can comfortably han- the yardsticks and then carefully load approaching some kind of yield point
Figure 15: Calibration curve for the rotameter 31 A .2Calibration of Thermocouple and Electronic thermometer The thermocouples and the electronic thermometer were calibrated with pre-calibrated mercury thermometer. The temperature of the water inside the bath was changed and all the thermometers were placed into the water at same temperature, while changing temperature of the water, calibration curves for the thermocouple and electronic thermometer were formed. 90 80 f(x) = 1x + 0.15 70 R² = 1 60 50 Calibrated thermometer read, oC 40 30
OpenGL is intended to be used in a wide range of application areas, such as CAD/CAM, visualization, geographic mapping, and also gaming. A current list of games using OpenGL is maintained at http://www.OpenGL.org/users/apps_hardware/applications/games.html, and includes favourites like Quake II, Descent 3, and Half Life. Higher-level programming with OpenGL is possible. The OpenGL Utility Library (GLU) offers 2D image scaling, basic 3D geometry constructs, NURB curves and surfaces, and special-purpose matrix transformations. GLU is a standard part of every OpenGL distribution. The OpenGL Utility Toolkit (GLUT) is another standard component, made up of libraries for window management, call-back driven event processing, utilities for creating 3D solids and wireframes, fonts, and timers, all supplied in a platform independent manner. However, most programmers find GLUT too inflexible for serious applications, and tend to code up the necessary features
ristlõige keskel 95 % martensiiti, katsed näitavad, et umbkaudselt D95 0,75D50. Kriitilise diameetri määramiseks nomogrammi joon. 13.7 abil vaja teada jahutuskiiruse jaotus otskarastusteimiku ristlõikes. See sõltub terase margist (soojusjuhitavusest), ja harva tuuakse käsiraamatutes. Tavaliselt terase läbikarastuvus iseloomustatakse nn. karastusvöötide (hardenability curves), abil, mis näitavad kõvaduse jaotuse karastusteimiku pinnal sõltuvalt kaugusest jahutatavast otsast. Karastusvöödid saadakse mitmete ühe sama terase margi otskarastusteimi tulemusena. Terase keemilise koostise kõikumine, erinev tera suurus, kalduvus terakasvule ja teised tegurid, mis on nimetatud eespool, mõjutavad austeniidi lagukiirusele, mille pärast terase läbikarastuvus ei saa iseloomustada ühe kõveraga, nagu see on toodud joonisel 13.5
3.) Information: Integrate systems and processes through the supply chain to share valuable information, including demand signals, forecasts, inventory and transportation. 4.) Inventory Management: 29 Quantity and location of inventory including raw materials, work-in- process and finished goods. SUPPLY CHAIN MANAGEMENT CURRENT KEY TOPIC: TRADEOFF CURVES One of the fundamental tradeoffs in supply chain management is that between inventory levels and customer service. For any given supply chain, increasing the level of service (product/spare part availability) typically means higher levels of inventory. Most companies have discovered their "best place" on the curve, depending on what their customers require and what their competition offers. However, supply chain strategies can shift the entire curve,
Eriksoni 13-16 eluaasta inimsuhete kriis, 16-19 identiteet Müelinisatsioon – paksenevad juhteteed, kiirenevad ülekanded Juhteteede juurdeteke – uute kogemustega tekib (pigem väikelastel), teismelistel vaja neid kiiremini kasutada ja müeliniseeruvad. Padmanabhan A., Luna, B. (2013). Developmental imaging genetics: Linking Dopamine function to adolescent behavior. Brain Cogn. 89; 27-38. Ordaz, S.J., Foran, W., Velanova, K., Luna, B. (2013). Longitudinal growth curves of brain function underlying inhibitory control through adolescence, J.Neurosci. 46,18109-24. Simmonds, D.J., Hallquist, M.N., Asato M., Luna, B. (2014). Developmental stages and sex differences of white matter and behavioral development through adolescence: a longitudinal diffusion tensor imaging (DTI) study. Neuroimage. 15;92:356-68. Sotsiaalsus Kuidas reguleerida nii, et miski ära ei jääks? Tihti vanemad distantseerivad end noorte
Example 37. In the extensive and epic second movement the central narrative role belongs to the oboe: Example 38. 1 The first performance was at the Estonia Concert Hall, 4 Sept. 1939, conducted by Valerian Bierdiayew (Poland). Its timbre awakens in the listener the mood of a shepherd’s horn. In the third movement a quiet theme is superseded by one of a dance character. Example 39. The typical curves of village music are highlighted. In the development sections we can notice the miniature principle. The interval of the fourth is influential together with the mixolydian seventh, it becomes the determinant of the whole musical language. As an enrichment of the crispness, the chorus of chromatic seventh and ninth chords stand out. The role of abundant harmonic and melodic figuration is outstanding. The ornamentation is a typical feature of the whole symphony
Tarbija tarbib erinevaid kaupu ja teenuseid erinevates kogustes ehk valib oma eelarve piires mingi konkreetse kombinatsiooni kaupu ja teenuseid Oluline on teada, missugune on nende kaupade optimaalne kogus Eelarvejoon näitab tarbija sissetuleku ja kaupade hindade vahekorda ehk seda kui palju võimaldab eelarve tarbida. Eelarvejoon võib muutuda tarbija sissetuleku või kaupade ja teenuste hindade muutudes. Ükskõiksuskõverate mudel (Indifference Curves) Tarbijal on võimalik valida mingi kombinatsioon soovitud kaupadest Teatud kaupade kombinatsioonid on tarbija jaoks samaväärsed ehk annavad võrde kasulikkuse Seda saab väljendada samaväärsuskõvera (ükskõiksuskõvera) abil Ükskõiksuskõvera mudel eeldab, et ühe kauba tarbimise suurendamine on võimalik ainult teise kauba tarbimise vähendamise arvel ÜKSKÕIKSUSEKÕVERAD
The craving hadn't gone away, not even for a minute. He picked me up. Imprisoned by his tight grip, it was hard to breathe and my head began to spin. When he carried me through a door and kicked it shut behind him, I couldn't do more than make a feeble sound of protest. I found myself pressed against a heavy glass door on the other side of a library, Gideon's hard and powerful body subduing my own. His arm at my waist slid lower, his hand delving beneath my skirts and finding the curves of my butt exposed by my lacy boy shorts underwear. He wrenched my hips hard to his, making me feel how hard he was, how aroused. My sex trembled with want, achingly empty. All the fight left me. My arms fell to my sides, my palms pressing flat to the glass. I felt the brittle tension drain from his body as I softened in surrender, the pressure of his mouth easing and his kiss turning into a passionate coaxing. "Eva," he breathed gruffly. "Don't fight me. I can't take it."
is provided by Patty Shane. Scattered throughout the Southern USA are a variety of bobtailed cats. The more common type is the Manx-type with tails ranging from rumpy to full and bodies ranging from the cobbier high-rumped Manx-type to a more svelte build as a result of random breeding. Some have ear tufts. The less common type is the Oriental (Japanese) Bobtail type. These lose the distinctive bobbed tails when out-crossed to other cats, although the kittens may have kinks or curves in the tail. The bobtail shows up when they are bred to each other. They are long, tall cats with more Oriental features and conformation and level backs in spite of their long back legs. When bred together, these create a long, tall cat, with some individuals having a broader, heavier frame and others leaning towards one or other of the parental types. The goal is a long, tall 6lb - 15 lb cat with the high, angled hind-legs of the Oriental type
negative temperature coefficient (NTC), meaning the resistance goes up as temperature goes down. Of all passive temperature measurement sensors, thermistors have the highest sensitivity (resistance change per degree of tem- perature change). Thermistors do not have a linear temperature/resistance curve. Thermistor characteristics are dependent on the manufacturing process and materials used. Often, many thermistors in a family will have similar char- acteristics and identical curves. The resistance of the thermistors may vary by 10 : 1 or 100 : 1, but the curves are the same. Such thermistors are typically characterized by the manufacturer in a table that shows the ratio of resistance at a given temperature to the resistance at 25°C. Data for a typical NTC ther- mistor family is shown below: 47 Typical NTC Thermistor Data
With complex buildings, the speed of 3D modeling becomes a major asset. According to Rob Schoen, director of operations for Action Steel Detailing, Inc., the increase in design- build projects, especially those involving more than 10,000 tons of steel, is creating “insane” detailing schedules – a situation where 3D is the only logical answer (Weisenberger, 2007). Difficult operations like complex end cuts of tubular steel sections – executed so laboriously 15 years ago by spline curves set out on cardboard templates that were 14 wrapped around each tube, which was marked and then manually cut – can now be executed without human intervention on the shop floor. Software performing the task of descriptive geometry translates three-dimensional numerically-defined models into two- dimensional fabrication data that accurately cuts components, pre-drills holes for fixings
Unlike type 2 diabetics, he needs to inject insulin multiple times per day. He also happens to be a professional race car driver. In 2006, Charlie became the rst American to ever win an F3 Euroseries race. Then, in 2007, at age 22, he went to the doctor for a small skin irritation and left the o ce with a diagnosis of type 1 diabetes. Tragically, this meant he was forced to abandon racing altogether. Pricking your ngers to take blood sugar readings just isn't possible when ying around curves at 150 miles per hour. In 2008, Charlie returned to the wheel and claimed a podium finish in his first race. How? He was the rst race car driver in the world to have a strange device strapped to his steering wheel: the DexCom SEVEN continuous glucose monitor (CGM). I check it like it's one of my race car gauges as I'm driving around the track. It's my body's data. And it's not information overload. It's perfect. In more tangible form, it's a receiver that looks like this:
Rowe, D. 2002. High impact aroma chemicals. Part 2: prior to aging. II. Complexus, Serratus ventralis, The good, the bad, and the ugly. Perfumer and Vastus lateralis, Vastus medialis and Longissimus Flavorist 27:24–29. dorsi muscles. Journal of Food Science 73(1):S6– Sather, A. P., A. L. Schaefer, and A. K. W. Tong. 1990. S10. Muscle and rectal temperature response curves to a Stetzer, A., E. Tucker, F. McKeith, and S. Brewer. 2007. short-term halothane challenge in eight-week-old Quality changes in various beef muscles enhanced piglets with known genotype at the halothane locus. prior to aging. I. Gluteus medius, Infraspinatus, Psoas Canadian Journal of Animal Science 70(1):9–14. major, Rectus femoris and Teres major. Journal of Sato, M., T. Nakamura, M. Numata, K. Kuwahara, S
lover at T h e R o a d Back, the new goal of the final movement might be to get revenge. T h e original objective might be achieved as well, or there might be some overall goal (to learn self-reliance or come to terms with past failures, for example) that continues to be served in all movements as the hero pursues changing superficial goals. To illustrate this concept I drew the hero's goals in each movement as straight lines, vectors of intention, rather than curves. Straightening out the curves of the circle created sharp, 90-degree turns at the quarter points and revealed the drastic changes that may occur in the hero's objectives. Each straight line represents the hero's aim in that act — to escape the constraints of the ordinary world, to survive in a strange land, to win the boon and escape the strange land, to return home safely with something to share that revives the world. PREFACE
"They're right to keep their distance from us. We are still dangerous." "I don't understand." "We try," he explained slowly. "We're usually very good at what we do. Sometimes we make mistakes. Me, for example, allowing myself to be alone with you." "This is a mistake?" I heard the sadness in my voice, but I didn't know if he could as well. "A very dangerous one," he murmured. We were both silent then. I watched the headlights twist with the curves of the road. They moved too fast; it didn't look real, it looked like a video game. I was aware of the time slipping away so quickly, like the black road beneath us, and I was hideously afraid that I would never have another chance to be with him like this again -- openly, the walls between us gone for once. His words hinted at an end, and I recoiled from the idea. I couldn't waste one minute I had with him.
Would its very newness, the fact that the enemy might not have developed such means, guard its messages? The secrecy group soon found that it did not. The fluctuations of the current could be recorded by an oscillograph and the messages read with ease. Even multiplexing—sending several messages simultaneously in both directions over a single wire—offered no real security. The engineers resolved the oscillograph undulation into its constituent curves and read the eight individual messages. The group discussed altering connections inside the printing telegraph mechanism. This would have the effect of enciphering one letter into another in a monoalphabetic substitution. The engineers realized that this offered no real secrecy but, stymied, did not pursue the matter until Vernam bounded in with his idea. It was based upon the Baudot code, the Morse code of the teletypewriter. In this code, named for its French inventor, J.M.E.
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