Alternative Transportation

Alternative Transportation At approximately 11:20 pm on Tuesday night, Charles stepped on the pedal and accelerated the motorized shopping cart from 0 to (approx.) 25 mph in the gaspingly brief time required to scream barely the first two syllables of your preferred interjection/expletive pairing. My stomach recoiled along a vector perpendicular to Massachusetts Avenue as I gripped the plastic-shelled handlebar (?) at the cart-pusher end of the grocery cart and vociferously spewed a sonic soup of bloodless terror and regret for not having purchased better life insurance into the humid, unsympathetic night. Two graveyard-shift workers of indescript employment stood leaning against the back doorway of a warehouse in a cigarette-break tableau, arms crossed, watching us in the uncanny manner that someone watches lemmings gleefully leaping to their deaths on YouTube. I shift forward and let the streetlights ricochet like bullets through the thick thrill of naked velocity. Its dark and the asphalt is a gooey chocola tey blur underneath. I pay little attention to this because I am certain that a bone-crushing death is sitting somewhere with me in the toddler basket of a supermarket shopping cart that Charles has hacked into a battery-powered road vehicle capable of speeding along four-lane traffic at 35 mph. Were in the middle of a less-than-silky ribbon of deserted street outside the parking lot of MITERS headquarters. Charles is driving, which leaves me to enjoy the LOLriocarts G-force simulations backwards in a seat designed for children of weight 15-35 lbs. I am fully aware that the shopping cart in whose toddler-basket I am dearly clutching to my remaining threads of life has been spotlighted in about a bajillion techno-fanatic blogs in the past three days. To anyone with the mildest glimmer of engineering-lust, the LOLriocart will induce prolific and involuntary drooling. Charles claims that the design is still in progress, but its already beautiful in the same way that Gmail was beautiful when it was unveiled. Glowing blue lights, check. Ignition-like turn-on mechanism, check. Steering wheel, check. Ability to make R2D2 whirring noises and generate smoke by friction of wheels against concrete, check. Brakes? Um, it looks like those had evaporated. Hence I am also nail-bitingly aware that the LOLriocarts current method of not-going-at-25-mph-anymore requires performance of “the s-shaped thing that planes do.” Grocery shopping will never be the same again. (Photo and survival of the author both courtesy of Charles Guan.)

A List of Precious Metals

The Downfall Of The Soviet Revolution - 1230 Words

Since the commencement of the Czar regime to the present-day Federation, Russia has known true power. From Ivan the Terrible who had people boiled, hanged, and thrown from walls; to Josef Stalin who was responsible for the slaughter of millions of Russian citizens in the Great Purge, demonstrations of power have always had their place within Russian history. Power is the ability to alter the decision of another person or group. This is through force, manipulation, exchange, or persuasion. One way or another, through violence, trickery, a deal, or logic. one party is made to change their mind about an already made decision. Each type of power has been practiced with Russia’s past and present rulers. One of the most remarkable demonstrations of power was with the rise of the Bolshevik (Majority) party to overthrow the Romanov Dynasty and to put into place a communist government. The Bolshevik party, ironically enough, was not the majority party, the Mensheviks were. However, num bers did not stop the Bolsheviks from eventually overthrowing the government by force. This terrible revolution changed the entire future of the Russian Empire. The cause of this new government was force, and it put into motion an entirely new form of government that the world had never seen before. If the Bolsheviks had never risen up against the government and used their ideas to gain power, then Russia could arguably still be under Czar rule today. Perhaps communism wouldn’t even have a place inShow MoreRelatedCuban Revolution By Andrew Caminiti1476 Words   |  6 PagesCuban Communist Revolution By Andrew Caminiti The terrible conditions that many Cuban citizens lived under during the Batista regime was unacceptable. The Cuban Citizens wanted a change and started a revolution. To find out why we go all the way back to 1868 when the United States defeated the Spanish Army giving Cuba its independence. 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How Digital Technology Reduce Cost in Movie Industrial Free Essays

For many years, in the movie industry, it has used film as the medium on which to allocate and play back tapes. Film which is easy to use, and movie theaters have knowledge in owning and operating that projection Systems. But it is also posh. We will write a custom essay sample on How Digital Technology Reduce Cost in Movie Industrial or any similar topic only for you Order Now A one line or a single film print, for example, can cost as much as US$2,000 to form and weigh over 50 pounds approx. A movie in broad release is usually shown on more than 4,000 screens approx, which can mean a charge approx US$8 million in prints plus the cost of shipping heavy film canisters to movie theaters about the globe. Further, a film print lasts only for roughly about 30–40 showings, as a result printing and shipping costs for flourishing movies can easily be twice or thrice as a film prints carry out and it is need to be replaced. Now, the high cost of movie circulation is regarding to change as well as the movie industry transitions in to the digital distribution and playback of show. With digital cinema, movies are disseminated via hard drive or satellite, avoiding the need to generate and ship costly, heavy film prints. Once at the show business, movies are stored as digitally and played back using digital projectors. Movies stored on digital media but do not wear out as film prints do, as a result, they do not need to be replaced for the duration of long runs. Overall, the movie industry anticipates such incredible capital savings from the switch to digital media sharing that it is expected to convert entirely from of film in to digital media in the next few years or coming time. Digital cinema offers major benefits in to theater owners as well. Distinct film prints, in digital cinema it does not limit the number of screens showing a given or running movie, as a result each theater compound or complex desires only single copy of a particular movie. In addition, theater owners can use digital projection equipment to show non-movie entertainment such as sports, live music and etc. However, picture theaters must experience a technology renovation for digital cinema to work changing from tried and true film based projection systems to projection and digital luggage compartment. Many theater owners are unenthusiastic to switch to a digital infrastructure because they are anxiously concerned about the cost and manageability of such an environment. To help those movie theaters formulate the transition in to digital technology, the Dell OEM Industry Solutions Group is working with digital cinema salespersons to develop a full-bodied, highly performance solution that is also expenditure effective and straightforward or easy to support . Worldwide movie theaters are rapidly switching since film-based movie projection in to digital playback technology enormously. To help theaters commencing manage this changeover, the Dell OEM Industry Solutions Group has developed a money-spinning, highly performance digital cinema solution that is designed to be dependable and simply easy to support this (Flint, 2007). As video on demand (VOD) services are deployed, cable operators will experience a fundamental reallocate in their industry, moving from broadcast to uncast content delivery. There is another momentous change is the introduction of Gigabit Ethernet into their network, which is hugely providing an unprecedented opportunity it to turn the cable operator’s infrastructure into a sustainable ready for action advantage. However, Gigabit Ethernet is much more than just transport; it is the establishment of the Next-Generation Digital Video Network. This is very huge part in our life (Taub, 2009). Digital technology helps us to consume time timely in our work and that will be very countable work in our in our industrial environment, due to this the work will be also automatic because of machinery based work. And further there is a total investment in first time when u plant your machine there is no basic salaries, allowances and etc . due to digital effect the competition increasing will be also eligible in an industry ,digital technology has the potential to reduce distribution cost a physical movie print price $1000 approx each. Though, we have seen that the digital technology is more than important technology in our future world. How to cite How Digital Technology Reduce Cost in Movie Industrial, Essays

What Is Radar Essays - Radar, Plan Position Indicator, Geo Warping

What Is Radar The word "radar" was invented by scientists of the United States Navy during World War II. The word comes from the first letters in the term "radio detection and ranging.""Detection," as used here, means finding an object or target by sending out a radio signal that will bounce back off the target as a radio echo. "Ranging" means measuring the distance to the target from the radar set(the device tat sends out the radio signal and picks up the returning echo). Radar set on the ground uses radio echoes to locate aircraft, ships, and other objects. Radar sets can locate artificial satellites and spacecraft thousands of kilometres from the earth. They can find such "targets" even in darkness, smoke, clouds, fog, or rain. Radar is also used in weather prediction to locate storm systems. An airplane can carry a radar set\et to aid in determining the airplane's ground speed. Ships can carry radar to detect icebergs, other ships, and aircraft. Radar can do more than find a target. It can tell how fast and in which direction the target is moving. This information can be used to direct the firing of guns and missiles to protect a country against attack. In peacetime, radar can help navigate ships, land planes in a fog, and guide astronauts. Radar can help control street traffic and assist the police in finding speeding automobiles. Radar sets come in many sizes. A small set, made for use in a guided missile, is not much larger than a coffeepot. The larger sets used to study distant planets may oupy a building many stories high. The size of a radar set depends on the job it is expected to do. But all radar sets, regardless of their size, use the principle of the echo. How Radar Works Radar sets produce radio signals. They radiate(send out) these signals into space with a transmitter. When a radio signal strikes an object such as an airplane, part of the signal is reflected back to the radar antenna. The signal is picked up there as a radar echo. A radar set changes the radar echo into an image that can be seen on a screen. A radar set also gives the direction of the target and its distance from the set. How Radar Began In 1900 a radio pioneer, Nikola Tesla, noticed that large objects can produce reflected radio signals that are strong enough to be picked up. He knew that reflected radio signals are really radio echoes. So he predicted that such echoes could be used to find the position and course of ships at sea. But nothing was dine about it until just before World War II. In 1935, Robert A. Watson)Watt and other British scientists developed a system of radio echoes that could detect approaching aircraft. This later developed into the radar system that proved effective against German air raids on Britain in World War II. An important step in making radar possible had taken place in the United States in 1925. The new idea was to send out the radio signals in short bursts, called Pulses. This was so important because if you imagine that you are about to shout across a canyon to make an echo. If you shout a long sentence, the first words will come back before you can finish the last words. It would be impossible to hear the echo clearly because it would be mixed with your own speech. But suppose you shout a short word, such as "Hello" The echo comes back crisp and clear with no interference. Now suppose a radio signal is given off in a short burst, or pulse, and is reflected from an object. The echo comes back clearly. But if the radio signal lasts a long time, the echo comes back while the signal is still going out. The radar operator cannot detect the echo at all. By using echoes, you can find out how far away the reflecting wall of a canyon is. Sound travels through the air at a speed of about 335 meters (1,100 feet) a second. If the sound takes 1 second to hit the canyon wall and return, it must have gone 335 meters. But that is the distance of the round trip the wall and back. The wall must be half that far away, or 167.5 meters(550 feet). To find the distance to an echo)making surface, count the seconds it takes for the echo to return. The multiply the number of

Brayton Cycle Lab Report Essay Example

Brayton Cycle Lab Report Essay Example Brayton Cycle Lab Report Paper Brayton Cycle Lab Report Paper In this one hour course, the open, simple Brannon Cycle used for stationary rower generation is considered providing thrust instead of power output. In order to keep the scope of the thrust analysis simple, the working fluid exiting gas turbine expands to the atmospheric conditions final working fluid exit pressure is equal to the ambient pressure. The Brannon Cycle thermal efficiency is presented only for the air as the working fluid. The thermal efficiency derivation is presented with a simple mathematical approach. The Brannon Cycle is presented in a T s diagram and its major performance trends (specific propulsion output and propulsion output) are looted in a few figures as a function of compression ratio, gas turbine inlet temperature and working fluid mass flow rate. It should be noted that this online course does not deal with costs (capital, operational or maintenance). In this course, the student gets familiar with the Brannon Cycle, its components, T s diagram, operation and major performance trends. This course includes a multiple choice quiz at the end. Brannon Cycle (Gas Turbine) for Propulsion Application Analysis Performance Objectives At the conclusion of this course, the student will: Understand basic energy conversion engineering assumptions and equations Know basic components of the Brannon Cycle (Gas Turbine) and its T s diagram Be familiar with the Brannon Cycle operation Understand general Brannon Cycle performance trends Brannon Cycle (Gas Turbine) for Propulsion Application Analysis Introduction Over the years, gas turbine has become the premier propulsion generation system. Gas turbines are compact, lightweight, easy to operate and come in sizes ranging from several hundred kilowatts to hundreds of megawatts. Gas turbines require relatively low capital investment, have high operating flexibility, high thermal efficiency and can be used for various industrial applications. Gas reburies can help provide reliable propulsion to meet the future demand using both high and low heat content fuels, with low emissions. Table of Contents Brannon Cycle (Gas Turbine) for Propulsion Application 2 Analysis Assumptions. .. 9 Governing Equations 10 Input Data . 10 Results 11 Conclusions.. 12 Brannon Cycle (Gas Turbine) for Propulsion Application This section provides a Brannon Cycle analysis when the working fluid is air. In the presented Brannon Cycle analysis, only air is considered as the working fluid behaving as a perfect gas specific heat has a constant value. Ideal gas state equation is valid pa = ART. A gas turbine is a heat engine that uses a high temperatur e, high pressure gas as the working fluid. Combustion of a fuel in air is usually used to produce the needed temperatures and pressures in the gas turbine, which is why gas turbines are often referred to as combustion turbines. Expansion of the high temperature, high pressure working fluid takes place in the gas turbine. The gas turbine shaft rotation drives an electric generator and a compressor for the working fluid, air, used in the gas turbine combustion. Many gas turbines also use a heat exchanger called a recuperate to impart urbane exhaust heat into the combustions air/fuel mixture. Gas turbines produce high quality heat that can be used to generate steam for combined heat and power and combined-cycle applications, significantly enhancing efficiency. Air is compressed, concentrically, along line 1-2 by a compressor and it enters a combustion. At a constant pressure, combustion takes place (fuel is added to the combustion and the air temperature raises) and/or heat gets added to air. High temperature air exits the combustion at point 3. Then air enters a gas turbine where an isentropic expansion occurs, producing power. Air exits the gas turbine at point 4. It should be mentioned that air at point 1 enters the compressor and the cycle is repeated. Figure 1 presents a Brannon Cycle schematic layout. Figure 1 Brannon Cycle Schematic Layout Figure 2 presents a Brannon Cycle temperature vs.. Entropy diagram. Figure 2 Brannon Cycle Temperature vs.. Entropy Diagram In order to keep the scope of thrust analysis simple, air exiting turbine expands to the atmospheric conditions exit pressure is equal to the ambient pressure (Pl = pa). It should be pointed out that this material deals with the open Brannon Cycle.

Topic Areas of Environmental Sociology

Topic Areas of Environmental Sociology Environmental sociology is a subfield of the wider discipline in which researchers and theorists focus on the relationships between society and the environment. The subfield took shape following the environmental movement of the 1960s. Within this subfield, sociologists might examine specific institutions and structures like law, politics, and economy, and their relationships to environmental conditions; and also on the relationship between group behavior and environmental conditions, like for example the environmental implications of waste disposal and recycling. Importantly, environmental sociologists also study how environmental conditions affect the everyday lives, economic livelihood, and public health of populations. Environmental Sociology Topic Areas Climate change  is arguably the most important topic of research among environmental sociologists today. Sociologists investigate the human, economic, and political causes of climate change, and they investigate the effects that climate change has on many aspects of social life, like behavior, culture, values, and the economic health of populations experiencing its effects. Central to the sociological approach to climate change is the study of the relationship between economy and environment. A key analytic focus within this subfield is the particular effects that a capitalist economyone premised on continual growthhas on the environment. Environmental sociologists who study this relationship might focus on the implications of consumption of natural resources in processes of production, and methods of production and resource recapture that aim to be sustainable, among other things. The relationship between energy and environment is another important topic among environmental sociologists today. This relationship is intimately connected to the first two listed, as the burning of fossil fuels to power industry is recognized by climate scientists to be the central driver of global warming, and thus climate change. Some environmental sociologists who focus on energy study the way different populations think about energy use and its implications, and how their behavior is connected to these ideas; and they might study the way energy policy shapes behavior and outcomes. Politics, law, and public policy, and the relationships these have to environmental conditions and problems are also areas of focus among environmental sociologists. As institutions and structures that shape corporate and individual behavior, they have indirect effects on the environment. Sociologists who focus on these areas investigate topics like the extent to which and through what mechanisms laws regarding emissions and pollution are enforced; how people act collectively to shape them; and the forms of power that might enable or prevent them from doing so, among other things. Many environmental sociologists study the relationship between social behavior and environment. In this area there is a large degree of overlap between environmental sociology and the sociology of consumption, as many sociologists recognize the important and consequential relationships between consumerism  and consumer behavior, and environmental problems and solutions. Environmental sociologists also examine how social behaviors, like the  use of transportation, consumption of energy, and waste and recycling practices, shape environmental outcomes, as well as how environmental conditions shape social behavior. Another important area of focus among environmental sociologists is the relationship between inequality and environment. Numerous studies have documented that income, racial, and gender inequality make the populations that experience them more likely to experience negative environmental outcomes like pollution, proximity to waste, and lack of access to natural resources. The study of environmental racism is, in fact, a specific area of focus within environmental sociology. Environmental sociologists continue to study these relationships today, and the way populations and institutions respond to them, and they also examine them on a global scale, looking at the way populations among nations have differing relationships to the environment based on relative privilege and wealth. Notable Environmental Sociologists Notable environmental sociologists today include John Bellamy Foster, John Foran, Christine Shearer, Richard Widick, and Kari Marie Norgaard. The late Dr. William Freudenberg is considered an important pioneer in this subfield who made great contributions to it, and Indian scientists and activist Vandana Shiva is considered an honorary environmental sociologist by many. Where to Find More Information on Environmental Sociology To learn more about this vibrant and growing subfield of sociology, visit the website for the American Sociological Associations section on Environment and Technology, and review the research published in journals like  Environmental Sociology, Human Ecology, Nature and Culture, Organization and Environment, Population and Environment, Rural Sociology, and Society and Natural Resources. Students interested in pursuing environmental sociology will find many undergraduate programs with a focus in this area, as well as an increasing number of graduate sociology and interdisciplinary programs that offer specialized study and training.