Three-Dimensional Grade Control in Road Construction

Three-Dimensional Grade Control in Road Construction Three-Dimensional Grade Control in Road Construction using Unmanned Aerial Vehicle Introduction Contractors have used grade stakes installed on the side of the road at intervals of 100 feet for the vertical grade of the finished ground surface in road construction. The grade stakes are measured based on control points(CPs) which are reference points and markers established by surveyors at the design phase. By using the grade stakes, the contractors align the grade elevation with regulated tolerances which are typically less than 0.05 feet for subgrade and 0.02 feet for roadway surface (Missouri Highways and Transportation Commission 2016). The contractors confirm the final construction layout including as-built cross sections, which are measured by a total station or conventional survey methods such as a level, theodolite, and transit at intervals of 500 feet. The final products should be in reasonably close conformity with the design plans and specifications (Floyd et al. 2013). Figure 1: The conventional grade control using grade stakes (Missouri Highways and Transportation Commission 2016) However, in many cases, the contractors have experienced unsuspected discrepancies between the as-designed model and the as-built model, which cause the project cost and time overrun (Pitman 2001). These discordances could be derived from technical issues or human matters that are issues among people such as a lack of coordination and communication between designers and contractors (Arain et al. 2004). While the problems caused by human issues could be solved easily by involving the contractors and designers as coordinators, the resolving the technical problems, such as a measurement error, still remain challenges because the conventional grade control methods use only a few points to build a final grade layout, which can cause considerable errors at the non-measured area. For this reason, many researchers have studied on the application of new technologies such as a global positioning system (GPS), robotic total station (RTS), and terrestrial laser scanning (TLS) to obtain dense poi nts for the grade control. Despite all these efforts, the contractors are still using the traditional methods for grade control because of the disadvantages of the new approaches regarding the economic and usability. In this regard, unmanned aerial vehicle (UAV) is the most reasonable way to overcome such shortcomings (Nex and Remondino 2014). The photogrammetry using UAV is a time-competitive method to generate a digital surface model (DSM) which enables contractors to obtain the dense point cloud of the long-strip roadway construction site without intervals (Chiabrando et al. 2009). Moreover, the UAV allows the user to avoid working in hazardous environments (Barry and Coakley 2013). With such advantages, several researchers apply the UAV to roadway construction, especially for surveying earthwork projects (Siebert and Teizer 2014). The current accuracy of the UAV photogrammetry, however, does not completely meet the particular requirements in road construction such as the grading tolerance which is less than 0.05 feet. This study, therefore, reviews the current state of the three-dimensional grade control in road construction and presents a best practice for applying the UAV for the construction by providing a way to develop the accuracy of the UAV photogrammetry. Moreover, this study verifies the improved accuracy through the field test at an ongoing highway construction site in Georgia, the United States. Literature Review This study has reviewed current studies on the 1) grade control methods in road construction using dense point clouds, 2) applications of UAV for highway construction, and 3) accuracy of UAV photogrammetry. Current study on the grade control in roadway construction As mentioned above, the contractors today perform the grade control in a conventional manner using grade stakes and cross sections because those methods dont require a specialty. However, such methods are conducted sparsely at regular but widely spaced intervals, which can give rise to substantial errors when the contractors build a successive three-dimensional as-built model. To avoid this, many researchers have studied on the way to create a 3D as-built model without intervals as below. 3D grade control using GPS installed on the construction equipment The real-time kinematic (RTK) GPS technology provides a location information for a dynamic motion in real time. The advent of the RTK-GPS technology enables the users to control the machines blade systemically and to build 3D as-built model automatically (Stewart, 2006). For this reason, many global GPS manufacturers, such as Topcon, Trimble, and Leica, present automatic 3D grade control technologies as seen in Figure 2. According to a final report on Implementation of GPS Controlled Highway Construction Equipment in the University of Wisconsin, the use of the GPS to guide construction equipment is time-efficient and cuts costs (Vonderohe 2007). Figure 2: GPS controlled roadway construction equipment Accordingly, many Department of Transportation (DOT) have increased the implementation of the automated machine guidance with GPS (Townes 2013). However, the vertical error of RTK-GPS is typically over 1.5 inches, and sometimes a sudden elevation shift caused by a cycle slip or multipath, which can lead to a significant discrepancy between as-design model and as-built model. Therefore, its impossible to fully adopt the GPS to grade control in roadway construction unless there is an enhancement of the accuracy. Terrestrial laser scanning (TLS) for the highway construction process monitoring The TLS, which measures the location of thousands of points each epoch at ranges of hundreds of meters, is another method to collect high dense point data. The TLS generates more accurate 3D layouts than conventional survey methods (Slattery and Slattery 2013). D. Slattery et al. (2010) demonstrate that the TLS is a feasible means to control the grade in highway construction projects and to calculate earthwork quantities (Slattery and Slattery 2010). Despite the fact that the TLS guarantees accurate point clouds, this new technology faces several operational challenges. One of the primary challenges is that it takes extremely long time to acquire the dense points. In general, the measurement using TLS takes one hour to measure the area of 20,000 square feet. Furthermore, as the scanner is installed on the ground, TLS method forms shadow zones where cannot scan due to obstacles such as trees and hills. In particular, since the roadway construction site is quite long, such drawbacks co uld be fatal. In this regard, the UAV, which is a less time-consuming way of measuring fields, could be an effective alternative. Application of UAV for roadway construction The UAV referred to as a drone, has recently begun to be applied to the construction field with the improvement of the positioning technologies and high-performance digital camera (Turner et al. 2012). With the development of the high-performance UAV, many researchers have successfully applied the UAV for the 3D modeling of the construction site and the measurement of earthwork quantities. S. Siebert and J. Teizer (2014) presents a practice for the application of UAV to construction survey for earthmoving of the construction site. They assert that the UAV technology is a cost- and time-effective alternatives to ground-based survey applications (Siebert and Teizer 2014). Furthermore, M. Daakir et al. (2015) describe that the UAV equipped with GPS receiver can achieve a consistent 3D model with a relatively low cost (Daakir et al. 2015). The studies on the application of the UAV has been limited to the particular construction fields such as earthmoving project and field survey for plan ning the road construction because the accuracy of the photogrammetry using UAV is over two inches which exceed the tolerance for the vertical grade. Thus, the improvement of the accuracy of UAV photogrammetry is required prior to applying the UAV technology to the grade control in roadway construction. Figure 3: The developed UAV systems, S. Siebert and J. Teizer (left), M. Daakir et al. (right) Accuracy of UAV photogrammetry Several researchers have examined innovative ways of improving the accuracy of the UAV photogrammetry. The accuracy of the UAV photogrammetry directly depends on the ground sampling distance (GSD), which is determined by the focal length, flight altitude, and resolution of the camera. In general, higher GSD value indicates that the image would have a lower spatial resolution. Therefore, the altitude of the flight should be performed around 150 m above ground level to obtain images at the GSD of up to 10 cm. (RuzgienÄ- et al. 2015). In addition, the use of geo-referencing methods aligning UAV imagery with known points measured in advance also can improve the accuracy of the photogrammetry. J. Goncalves and R. Henriques (2015) assert that the vertical root mean square (RMS) errors of UAV photogrammetry can be decreased to 5cm by using ground control points (GCPs) as the geo-referencing (Gonà §alves and Henriques 2015). However, a minimum of three GCPs are required for the geo-refe rencing, and generally, more than nine GCPs should be appeared on the imagery to retain redundancy for least squares regression. Moreover, the method that aligns the imagery known as Image registration causes a systematic error which is a cumulative error. In particular, since the road construction site requires extremely long longitudinal measurement, the registration error is theoretically increased in direct proportion to the length of the construction site (Zheng et al. 2016). This study, therefore, proposed a method to correct the systemic error by originating the position of the flying UAV with dual-frequency RTK-GPS and resection method. Figure 4: The GCPs that J. Goncalves and R. Henriques (2015) used Methodology This chapter enumerates the methodology for applying the UAV photogrammetry to the grade control in road construction as follows. Type of UAVs Ground Sampling Distance (GSD) Ground Control Points (GCPs) Positioning of the UAV using space resection method 3D model generation Verification Types of UAV The type of UAVs is classified into three categories: fixed wing type, rotary wing type, and hybrid wing type integrated the fixed wing and rotary type. Fixed wing UAVs have characteristics that they have a simple mechanism and more efficient aerodynamics which allows the fixed wing UAV to fly longer duration at higher speeds than the rotary wing. On the contrary, the rotary wing UAVs have a relatively more complicated structure which may infer that they have lower speed and shorter flight range than fixed wing. The advantages of the rotary wing are that they can conduct vertical takeoff and landing (VTOL) and hovering. The fixed/rotary hybrid UAV has both characteristics of the fixed wing type and rotary wing type. The hybrid UAVs can perform VTOL and hovering and fly with little power like the fixed wing UAV. Table 1 shows the differences between the fixed wing and rotary drones. Since the roadway construction site is quite long and doesnt have vertical obstacles, the fixed wing ty pe of UAV is most appropriate for the surveying the road construction area. Most UAV for the land survey is equipped with single frequency GPS receiver for positioning of the flying vehicle. In general, the vertical accuracy of the single frequency GPS is compromised. For this reason, this study suggests mounting a dual frequency GPS on the UAV to improve their positioning accuracy. The vertical accuracy of the dual frequency RTK-GPS is known to be lower than 2cm in general circumstances. This study might use virtual reference station (VRS), which facilitate the RTK/GPS based on National Continuously Operating Reference Station (CORS). Table 1 The differences between fixed wing type and rotary type Fixed wing Rotary wing Purpose Mapping Small area Mapping Inspection Application Land surveying (rural) GIS Construction Inspection Real estate Surveying (urban) Flight Speed High Low Coverage Large Small Flight Duration Times Long Short Wind Resistance High Low VTOL X O Hovering X O Ground Sampling Distance (GSD) As mentioned above, GSD value is related to the flight level, focal length, and resolution of the camera. Since the GSD value directly affects the results of the photogrammetry, it is important to determine the flight altitude. For a given flying height H, the GSD will be given by Where f is the lens focal length, and H is the flight altitude. Typically, in the case of the GSD of 5 cm, the standard deviation of 1 pixel in the parallax may result in a standard deviation of approximately 5 ~ 10 cm in the elevation error. The flight altitude also affects the overlapping rate which is related to the accuracy of the photogrammetry. That is to say, for a given focal length and resolution of the camera, increasing the altitude will increase overlap rate and GSD. Since it is possible to fly the UAV at low altitude in roadway construction site where is a barrier-free area, this study limits the flight height to 100 m or less to maintain the GSD of under 5cm. Although flying at low altitude can cause little overlap rate, the matter of overlapping can be solved by taking more pictures. Ground Control Points (GCPs) In the photogrammetry for field surveying, establishing a network of the ground control points The GCPs installed on the field is employed for the geo-referencing. Although the bundle image adjustment needs to have at least three GCPs, it is necessary to have 9 or more GCPs for providing enough redundancies for the least square adjustment. The GCP photogrammetric targets should be visible in the pictures and have about 5 ~ 10 times the dimensions of the GSD. Since the accuracy of the GCPs is crucial for the accuracy of the final results, the position of the GCPs should be measured precisely by total station or post-processing GPS. M.Chahbazi et al. (2015) state that although a large number of well-distributed GCPs as seen in Figure 5 (left) guarantees the highest accuracy, if it is impossible due to the field conditions, the best practice is to install the GCPs near the ends of the flight strips to be visible in several images from two closest strips. Furthermore, placing the GCPs with height variation is beneficial for the vertical adjustment of the UAV imagery. Figure 5: The methods to set up the GCPs in the article of M.Chahbazi et al. (2015) (left) when there are enough GCPs, and (right) if not. According to the construction survey manual of U.S. Department of Transportation (DOT), contractors or sub-contractors should establish control points (CPs), which are semi-permanent reference points built beside the construction site at intervals of 500 feet, to align the horizontal distribution and vertical elevation. Since these CPs are measured from the second-order benchmark, which has a ratio of closure of 1:10000, it is possible to construct accurate GCPs. Positioning of the UAV using space resection method The position of flying UAV has been determined from the GPS embedded on the UAV until now. However, the accuracy of the GPS depends on the satellite signal which sometimes includes serious errors such as cycle slip or multipath caused by the environmental conditions. Moreover, time synchronization between the GPS and images from the Camera can also cause several errors. In this regard, this study proposes a new positioning method that improves the accuracy of the photogrammetric results by applying space resection method. The resection method is to determine an unknown point from two known points. This measurement method is usually used when measuring the location of the device such as total station or theodolite. Figure 7: The concept of the space resection for UAV photogrammetry (Ref. https://dronemapper.com/uas_photo-grammetry_processing) The space resection requires at least two known ground control points per an image, but this study used five ground control points for the least square adjustment. The accuracy of the space resection only depends on the range error of the camera, which is much more accurate than RTK-GPS, and therefore this study expects an improvement in the positioning accuracy of the operating UAV As-built 3D model generation The stereo images extracted from UAV photogrammetry go through the image matching process. The image matching process is usually classified into correlation based method and feature-based method. The correlation based method has various computational processes because they conduct the image matching with all area and pixels. In contrast, since the feature based method adjusts images with edges or corners in the pictures, the processing is faster than the correlation based method. Scale-invariant feature transform (SIFT) is one of the most widely used features detecting method. The SIFT algorithm extracts key points from overlapped area, and align the images by using descriptors which are created from the extracted key points. The 3D structure is built by structure from motion (SfM) algorithm, which is a method to generate 3D structure by calculating the pose of the camera from 2D images. Most commercial software today has used the feature-based image matching and SfM algorithm to cre ate a 3D model. One of the commercial software is Agisoft PhotoScan which conduct image matching with the feature-based method. This study generates the as-built model of the roadway construction site based on the DSM generated from the Agisoft PhotoScan. The final as-built 3D model would be compared to the as-design model. An essential issue in this step is to synchronize the coordinates system used in both as-design model and as-built model. For this reason, it is essential that both models should be on the geographic information system (GIS) based on a global coordinate system. Verification Table 2 The whole process of this study Step 1 Step 2 Step 3 Step 4 Step5 Objectives Planning UAV operation Establishing GCPs Obtaining images from UAV Generating 3D model Verification Details GSD Flight Altitude Overlapping rate The number Location Resection QC of images SIFT, SfM DSM Field Test Error Assessment

Final Week 9 Cultural Diversity

FINAL Cultural Diversity Week 9 Final Currently I live in a community of approximately 21,785 people according to the 2010 US Census. Herriman, which is about 20 miles southwest of Salt Lake City has grown by leaps and bounds over the last twelve years. Herriman was founded as a farming community in 1849 and was incorporated in 1999. Herriman still feels like a small town, an idea which is held onto by its community leaders and population. I noticed while in researching the varying statistics for my city that I look like about 90% of the population.At 38, I am a little bit older than the average age of 27, but I am Caucasian, as are the majority of the residents. I noted with interest, during our last mayoral race, the current mayor spent the time to go out and knock on doors introducing himself to everyone. He made a significant impact on me as he stood and visited with my family and seemed to have the same values and ideals that I do. I cannot say that I have noticed a large differ ence in how minorities are treated by members of my community.In fact, in my local neighborhood we have a few families of varying ethnicities which have been welcomed and encouraged to teach about their homelands. It has been fascinating to watch and learn about the cultures from which they came and even to try some of the more traditional foods. The text and manuals that we have covered throughout class have covered the varying people that I am like. Caucasians have been notable throughout history and their information is fairly well published.I also noted that coming from an Irish background through several lines, the Irish were well represented. I did note a lack of other European descendants being listed through the text; I have a very strong relation to the Danish culture and did not find any information in regards to that culture in our texts at all. The local media looks much like the state, which is to say white, with a few people of color thrown in. It shouldn’t be m ade light of; it just feels that after everything has been so serious in discussion that lightening up the conversation cannot hurt.I have noticed as I have gotten older that we have gained a larger population of various minorities and they have begun to change the way that we see things as well as the way that we are being represented. I feel that this is a great step forward. I have noticed the biggest difference between me and most of the people in local leadership is that they are male while I am female. There is a definite lack of female leadership in our government here. Within the last ten years female leadership has increased, yet still has not changed dramatically.I have noticed that more women are running for various offices throughout the state and feel confident that this will change the local governments as well. As our minority population has grown, there have also been changes in the state government in regards to representation becoming more diverse. I feel this help s represent their interests in the community, and again feel that as people move and spread out in the local communities this will affect the local governments as well.While I do not feel that I can do a lot to change various inequities, I feel that by volunteering my time to the youth in my area I will help set them up into be more able to make changes in the future. It appears that in speaking with friends they note the same various situations that I have mentioned. Yet, because I live in a neighborhood where the majority of people are married and the wives are homemakers, I do bring a different perspective into conversations.Speaking with a local neighbor and friend, who was a former elementary school teacher, she noted that she feels that our culture is fairly self-contained due to our religious affiliations and yet she is one of the most outgoing individuals that I have met. She indicated that there is a trend to assume that people are just like you and not take the time to get to know anyone else. I have noted her on long walks through the neighborhood stopping to talk to anyone that happened to be outside and visit.Something that we both agreed on was the way that the community is very friendly and welcoming to people. It really starts with the neighborhood and then extends out into our city. A prime example of this was the â€Å"UP† house that a local builder wanted to build. He wanted to build a home that was a replica of the home in Disney’s â€Å"UP†. After contacting Disney and going through varying channels, Disney agreed to the home as long as they were allowed certain stipulations, he went looking for a community to build the home.He had contacted several cities, and Herriman agreed to allow him to build the home. The neighborhood had a HOA which agreed, despite it being colors not normally permitted, and a style different from the area, they would permit him to build and allow it into the HOA coding. However, the builderâ⠂¬â„¢s stipulation was that, when sold, the new homeowners had to agree to keep the colors. The home was built and each and every detail was matched to the specifications of the Disney standard, they went so far as to design the interior with the same furniture, which had to be created to replicate it.Herriman and the community welcomed this builder in during the annual â€Å"Parade of Homes† in order to make them feel more comfortable. Finally, the home was sold to a couple that wanted to move back to Utah after several years in California and the home remains the pastel coloring of the Disney design. Herriman leaders felt that having the home built in Herriman was an economic boost they were unable to turn down, and afterwards gave an honor to Bangerter Homes in recognition of such. This type of innovative government thinking is definitely in line with how any community I live in should function.I want my community leaders to always be looking at the next best source to bri ng economic development closer to home. Not only does this benefit the city, but it benefits me because the city has more to offer. Growing up, I lived in a more diverse area of the Salt Lake Valley and was exposed to varying cultures and ethnicities which helped me gain a firm understanding of treating people with respect, and with dealing with varying races. However, the governments there were more old fashioned and less adaptable to today’s changing environment’s.I feel as if this community was actually less welcoming than the one that I am currently in because of this. The prior community may have had a more diverse community, but welcoming new and local businesses was not something that the government chose to promote. Living in Herriman, I have noticed that many of the government officials as well as other leaders are active in getting out and being a part of the community and ensuring that we are aware as citizens of anything that might affect us; from the openi ng of a new restaurant, to a fire that is burning out of control.Herriman city officials have a local Facebook account and Twitter feeds that are used to help notify their citizens on a regular basis of varying volunteer activities, emergencies, CPR training classes and more. It is another way that the community in which I live is actively trying to encourage its citizens to be part of it; this reflects my views on how a community should interact. I believe that in being part of a community, you want to be involved; you want to support local business and taking advantage of times that you can volunteer to help. For instance, going out to reseed a mountain after a grass fire helps build community relations.I enjoy living where I do and feel that I have found a mostly perfect fit for my family. People take care of their yards, their homes, they are active and want to do things to improve not only themselves, but the community in which we live. All of these are ideals that coincide wit h how I feel a community should be. References: http://www. city-data. com/city/Herriman-Utah. html#top www. herrimancity. org http://www. sltrib. com/sltrib/news/53012557-78/hamblin-lynette-disney-herriman. html. csp http://www. facebook. com/HerrimanCity http://twitter. com/BeReadyHerriman

Essay on Shakespeares Macbeth as a Tragic Hero - 1087 Words

Macbeth as a Tragic Hero According to the Greek philosopher Aristotle, The best tragic plot moves the hero from prosperity to misfortune, occasioned not by depravity, but by some great mistake he makes. The plot of Macbeth follows these basic guidelines; throughout the play we follow the path of the main character as his life is torn apart as a result of the colossal mistake he makes when he kills Duncan. It is for this and the many ensuing reasons that we can say that Macbeth accurately portrays the image of a tragic hero as outlined by Aristotle. Aristotles first guideline for an effective tragic hero is someone that is basically good. While Macbeth does not exactly make sound moral decisions, toward the beginning of†¦show more content†¦Worthy Gentleman! The way they are speaking portrays him as a normal soldier who helped win the war, not with the help of godly powers, but with simple bravery. He is an average gentleman who wins the affection of his king by his bravery, and because of this simplicity he reflects the normality of a real person. Further on in the play he opens up more when he says, I have almost forgot the taste of fears... At this point in the play the audience has almost lost sight of Macbeth as a real person, his cold-blooded murders disgust us so much that that he becomes something too bile to possibly be human. We believe that no human could possibly act with the harsh brutality that Macbeth acts with, and so becomes in imagination, some evil external force that can no longer be rela ted to as a human individual. However, when Macbeth says these words, he is opening himself up to the fact that he is still human. The audience realizes that since he can still feel fear, which is a human emotion, he must still be human. For a brief moment the audience connects with Macbeth, and there is a sense of pity for the tragic hero because both parties realize that the end is near in sight. For a brief second we forget about his murderous deeds, and based on the beliefShow MoreRelatedEssay on Shakespeares Macbeth is a Tragic Hero956 Words   |  4 PagesMacbeth is a Tragic Hero  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚        Ã‚  Ã‚   Shakespeares tragic hero is a man of noble birth who falls from a position of honor and respect due to a flaw in his character. He freely chooses a course of action which ultimately causes him suffering and brings him to a fatal end.(Campbell 129) Macbeth is the epitome of a tragic hero who rises high then falls rock bottom to his death. 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Animal Testing Essay - 916 Words

Animal Testing nbsp;nbsp;nbsp;nbsp;nbsp;Using Animals for testing is wrong and should be banned. They should be entitled to the rights we have. Every day humans are using defenseless animals for cruel and most often useless tests. The animals cannot fight for themselves therefore we must. There should be stronger laws to protect them from laboratory experiments. nbsp;nbsp;nbsp;nbsp;nbsp;Although private companies run most labs, experiments are often conducted by public organizations. The U.S. government, the Army and Air Force in particular, has designed and conducted many animal experiments. The experiments were engineered so that many animals would suffer and die without any certainty that this suffering and death would†¦show more content†¦Also, at the University of Rochester School of Medicine a group of experimenters put fifty beagles in wooden boxes and tested them with different levels of radiation by x-rays. Twenty-one of the dogs died within the first two weeks. The irritated dogs suffered vomiting, diarrhea, and lost their appetites. Later, they hemorrhaged from the mouth, nose, and eyes. In the experimenter’s report, they compared the experiment to others of the same nature, each using about seven hundred dogs. The experimenters said that the injuries produced in their experiments were â€Å"typical of those descr ibed for the dog†. Another inexcusable experiment was conducted by the Food and Drug Administration. They gave thirty beagles and thirty pigs a pesticide in their food, seven days a week for six months, â€Å"in order to insure tissue damage†. Within eight weeks, eleven dogs showed signs of â€Å"abnormal behavior† including nervousness, salivation, muscle spasms, and convulsions. After experimenting with additional twenty beagles, the experiments concluded that massive daily doses of pesticide produce different effects in dogs than they do in pigs. These three experiments, according to reports, obviously caused the animal to suffer greatly before dying. No steps were taken to prevent this suffering, even when it was clear that the radiation or poison made the animals extremely sick. Also,Show MoreRelatedAnimal Testing678 Words   |  3 Pages Animal testing is a controversial topic in today’s society, much more than it was 100’s of years ago. Testing on animals was practiced long ago, and is still practiced today. Greek writings about vivisection [the dissection of a live organism] can be found dated as early as 500 BC. At that time, in Ancient Rome and Alexandria, and later in Greece, vivisection was originally practiced on human criminals, but prohibitions on the mutilation of the human body soon arose. This caused a reliance on animalsRead MoreTesting On Animals : The Dangers Of Animal Testing1375 Words   |  6 Pagesnumber of animals that undergo constant suffering in the name of human vanity. 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If there was no animal testing scientists would have probably resulted into something very unacceptable, human testing. And scientistsRead MoreThe Cruelty of Animal Testing1644 Words   |  7 PagesAnimal testing is a completely unnecessary act of cruelty and should not be allowed for various reasons. It is superfluous for innocent animals to undergo chemical testing of any sort, not only do they suffer, but there are other more humane alternatives to test products. Many people who are in favor of animal testing do not know of these safer more humane alternatives. Many methods have been developed to help stop animal testing, and improve the health system of all human beings. A significantRead MoreThe Importance Of Animal Testing1240 Words   |  5 Pages Animal testing has long played a part in the science of testing, and it still plays a very important role in the medical world. Testing on animals in order to create a cure for AIDS is one thing, but testing on animals for human vanity is another. Animal testing is used to test the safety of a product. It has kept some very unsafe substances out of the cosmetic world. However, in this day in age, animal testing is not the only way to test the safety of a product. Animal testing in cosmetics hasRead MoreEssay on Animal Testing1383 Words   |  6 Pagesand Behavior Animal testing is not a problem in today’s society because it is beneficial to humans. It seems unethical to put animals through such pain and torture, but if we stopped it completely there would be a large amount of human lives lost. How could this be? The further advancements in medical and technological science is inevitable. Therefore, if the testing must be done to learn more about the brain and body, which spe cies (animals or man) seems expendable for such testing. The real questionRead MoreThe Negatives of Animal Testing1027 Words   |  5 Pageshave been tested on animals; from lipstick and shampoo to dish soap and foot powder. Even the white ink on an MM has been tested on animals. To some, this statement may be alarming and even disturbing – to others it may not mean much at all. Either way, the debate over animal testing has gained much popularity in recent decades. Animal testing has been done since at least 500 BC; even Aristotle experimented on animals for scientific reasoning. Around 200 AD, dissecting animals in public was actuallyRead More Animal Testing Essay710 Words   |  3 Pagesanimal testing â€Å"Beauty without cruelty† is the outcry that can be heard from animal right activists around the world. The FDA does not require companies to perform tests on animals but if the cosmetic product contains chemicals that can be seen as toxins, testing becomes a necessity. There are currently thirteen safety tests that are performed on animals. 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This method involves using different species of animals in experiments and developmental procedures to determine toxicity, dosing, and effectiveness of test drugs before proceeding to human clinical trials. However; the use of animals in testing laboratories is becoming less common due to improved alternative options. Animal experimentation