Science & Technology Archive

Epidemiologists and environmental health researchers have a joint responsibility to acquire scientific knowledge that matters to public health and to apply the knowledge gained in public health practice. We examine the nature and source of these social responsibilities, discuss a debate in the epidemiological literature on roles and responsibilities, and cite approaches to environmental justice as reflective of them. At one level, responsibility refers to accountability, as in being responsible for actions taken. A deeper meaning of responsibility corresponds to commitment to the pursuit and achievement of a valued end

Public health ethics is on the map. In the past year, bioethicists and public health practitioners have begun to focus their critical attention on this complex and understudied topic. Much remains to be done. Childress et al. (2002), for example, describe their account of public health ethics as a rough conceptual map of a terrain with undefined boundaries.

Our focus will be on the responsibilities of epidemiologists, a choice made for several compelling reasons. Epidemiology sits at the center of the science and practice of environmental health, and more generally, at the center of public health. Although it is often referred to as a basic science of public health, epidemiology connects the acquisition of scientific knowledge with its application in preventive interventions, programs, and policies. This connection suggests a fundamental question: What are our responsibilities as epidemiologists? Do we, for example, have a joint responsibility to participate in science and to apply the knowledge gained? This is a key concern for us as researchers, health professionals, and as teachers.

The social responsibility of public health professionals is but one of many concerns in the broader picture of public health ethics. It is nevertheless a central concern. As Ogletree (1996) reminds us, responsibility is a concept particularly well suited to flame many key aspects of the ethics of professions faced with making decisions and taking actions in complex situations. These decisions often involve advanced technologies, high levels of specialization, and overlapping areas of expertise and concern among decision makers from diverse educational, political, and social backgrounds, precisely the situation in contemporary epidemiology and public health. In sum, responsibility organizes many (although not all) of public health’s ethical issues in terms appropriate for professional practitioners.

Responsibility has a deeper meaning as well, corresponding to commitment. To be responsible means to be committed to someone or to some thing. Being responsible in this deeper sense involves a commitment to positive action, to the pursuit and achievement of something of value, such as a social good (Jonas 1984). We will return to the notion of social goods in public health. For now, we want to emphasize that responsibility focuses attention on professional commitments

Finally, our inquiry is intended to assist all public health researchers who seek to define their social responsibilities. For those who are involved primarily in environmental health research, we can think of at least two connected and current topics–environmental justice and community-based participatory research.

Environmental Science Fair Project

There are increasing numbers of students who are choosing an environmental science fair project for their school assignments. Hardly a day goes by that there is not some sort of news event on the television regarding the problems we are facing with the environment. These students are choosing an environmental science fair project for school because they are interested in studying this area of science. Many of these students are very devoted to finding solutions to the current environmental crises. They have the long term vision that many adults lack by realizing that what we do now will affect the planet in a positive or negative way for years, decades, and/or centuries to come. They are taking this devotion to the cause and choosing an environmental science fair project as their topic of study.

An environmental science fair project can be presented on a wide variety of specific topics. Issues surrounding soil use and preservation are some of the most popular. These issues deal with loss of topsoil, which is where all the plant life is grown. This type of environmental science project can also examine the effects of runoff on the waterways of the world. The silting of rivers is a major concern due to the detrimental effects to plants and animals that rely on oxygenated water for survival. An environmental science fair project may also cover the issues surrounding the use of pesticides and other chemicals on the soil and surrounding wildlife. Students who demonstrate aptitude in these areas will likely continue their passion into their careers as agricultural scientists.

Other students who choose an environmental science fair project could focus on the latest increases in greenhouse gases around the Earth. While the task may sound too monumental for an environmental science fair project, there are ways to scale down the project. These projects are scientifically accurate and if properly implemented and documented can lead to the answers we are in need of to address this issue. Likewise, the study of animals such as frogs can lead to knowledge that can be applied on a larger scale. Frogs are the litmus paper for the health of water, and students can gather information in their local areas to determine the health of ponds and streams.

Examples Of Science Fair Projects

Posted March 13, 2019 By bouij

Examples of Science Fair Projects

Part of the preparation that is completed by the teaching staff in readying a science fair event is presenting the ideas to the students. Some students are very interested in these types of extracurricular events and other students would just as soon remain anonymous in the back row of the class. This aspect of preparation involves a sales pitch of sorts from the teacher. She or he must present the idea to the class while fostering the encouragement for the students to participate. The prizes and recognition will motivate some students and other students will be motivated by the opportunity to explore some topic that interests them. The latter set of students will need little encouragement and former group will likely retain enough interest to at least consider what the teacher is presenting. One way to sell the class on these events is to show them examples of science fair projects.

One of the most effective examples of science fair projects is the stink bomb.
If students were to rank their favorite among the examples of science fair projects, this smelly chemical reaction would be in the number one position. There are two reasons for using this example of science fair projects. The first is to get the attention of the students hiding on the back row and convince the others that this can be a fun and enjoyable process. There is nothing quite like a demonstration to win over a crowd of less than enthusiastic teenagers! The second reason is that if you use this example of a science fair project in class then the students cannot use it in the science fair. This clever reason prevents all the mischievous students from showing up to the science fair with all manner of smelly projects. By using this as examples of science fair projects in class you take it off the table as a possibility for student experiments.

Once the teacher has gotten the attention of the whole class and the neighboring classes down the hall with the stink bomb, she or he should have no trouble signing up the students for this event! Once this is done the students can begin discussing what topics they would like to demonstrate at the now popular school science fair.

Android Os Advancing The Mobile Technology

Posted March 12, 2019 By bouij

New operating systems are necessary to keep up with the demands of today’s users. Mobile phones available right now work on a few such systems like Java, Symbian, Flash, an exclusive OS like the ones utilised by the iPhone and the Windows seven phone.

The most progressive pparticipant in the cell telephone OS market is the Android OS. It’s an open source operating software developed by Google along with other tech corporations. The Android operating system is superb for the tech world and here are the reasons why.

Less expensive mobile products
A chunk of the mobile telephone cost is the O. S. Unless the phone uses special devices and materials like camera lens similar to pro cameras or dear metals for the body, the hardware cost may not amount to a significant value since production costs are going down because of more recent technologies. The free Android OS allows the telephone costs to go down because a gigantic portion of the price isn’t applicable .

Improving Technology
Mobile systems have continuously become better and faster. The advent of this new OS will certainly allow the development of better service and features to the final user. Users should be excited with the chance of larger adventure – like the 90s when we initially began to enjoy SMS, MMS, etc .

Better Services
We’re all acquainted with the iPhone’s ability to allow 3rd party programmers to develop applications, the Android OS is not different as it also inspires other programmers to develop the technology. This allows the end users to enjoy more modern and better applications and will certainly increase the phone’s value. At the end, you’ll get more than you paid for.

Google Products
most of use Google services like Gmail and Google Documents, having an Android device will make this experience more pleasant and pleasurable. With the increasing renown of Google products you may be warranted you are getting onto a good team.

These top reasons make the Android phones a wanted product that will surely make a massive impact on the mobile industry. There are already several brilliantly designed Android phones available in the market, and these phones are getting better and cost less each quarter.

D printing technology is used to manufacture prototypes, tools, and end-user parts directly from a CAD design. This printing technology offers unprecedented flexibility as it can create a part of any dimension out of any material. Some of the 3d printing materials used include metals, polymers, ceramics, composites, and many more. The 3D printing technology has complete control over material composition, surface texture, and micro-structure of the prototype. 3D printing technology also allows the user to construct prototypes using two different materials. >

Lets take a look at this amazing technology and how it has affected the field of architecture and medicine:

3D printing for Architecture

Architects know that there is nothing like a physical model of a building when it comes to displaying their work or design concept. Physical models also play an important role when it comes to explaining and convincing the customer while selling a project.

3D printers are affordable and high quality solutions for architects. Building a physical model requires great deal of expertise, precision, and time. 3D printing machines help designers focus on their building design, while the devices make 3D models of the project.

Many architects are not tech-savvy and are not used to operating complex devices. 3D printers do not require human intervention at any stage of the printing process. Architects just need to need to draw a CAD diagram of the project and instruct the 3D printer to build a 3D model. The 3D printer can print the model within a few hours, which can then be presented to the client.

3D printers are capable of producing of 3D models with accuracy and speed without compromising on the finer details of the architectural project. The price of desktop 3D printing machines is not that high and independent architects can also afford them.

3D printing for Medicine

The application of 3D printing technology can also be found in the production of medical devices. There are different 3D printing materials available that can be used to build real parts. For example, manufacturing hearing aids is a complex process because they are custom-fit devices and cannot be mass produced. 3D printing greatly helps in such matters where medical devices need to custom-fit a patient.

The future of the 3D printing technology is very bright. Market experts state that 3D printing technology will be affordable to the masses by the next decade. The prices of 3D printing devices are falling rapidly, and it is believed that the prices of 3D printers will drop by as much as 80% in the next 5-10 years. It will not be a surprise to see 3D printing devices in each household just like refrigerators, washing machines, and televisions.

Today, many technology innovations provide great functionality at lower price, giving more values to customers and stimulate mobile consumer market. The trend had shifted the consumers closer to business where on-line transaction can be done through simple clicks at palm.

Product designers have played a great role in improving interfaces for better information presentation over mobile devices. Many technology corporations have been engineering on artificial intelligence to humanize handheld devices into a better personal assistant. In the most familiar face, Siri technology in iPhone 4S is the most advance implementation of voice recognition technology that can help the owner to get things done by asking.
Geographical location technology must also be accredited for the success of Mobile Commerce. In order to deliver location service, mobile device tracks individual physical location as he or she moves about. Without many consumers knowing, some data-mining company use the Global Position System (GPS) to track their movement for market research. As such, this help researchers to study the consumers’ habits and behavior to exploit further possible technologies to complement lifestyle.

With much convenience provided through GSM (Global System for Mobile Communication), the most common cellular standard, extended by the GPRS (General Packet Radio System), banks and payment gateways have adopted token authentication as the best practice for safe mobile transaction. Soon to be true, more consumers will have a better reason to switch to cashless payment after the announcement of NXP Semiconductors N.V. secure contact-less Near Field Communication (NFC) technology solution.

On top of the cutting-edge technology, mobile web platform is available today to help company engages in the development and management of mobile site without much complexity. It is an on-line system that provides convenience to member of staff to manage the entire mobile web site without the need for any technical knowledge. For many business owners, this is thought to be highly sustainable and cost-effective than the traditional method of engaging highly paid professional to work on project based web development. A mobile site builder helps organisation to suit their mobile site exactly to the company image without compromising its security.

Strong infrastructure combines with innovative technological ideas give additional earning opportunities to vendors with reliable products. Besides setting up a physical store, a virtual business is equally important to attract technology savvy consumers who tend to leverage on the social network to search for better deals in the vast internet space.

Are you ready for Mobile Commerce?

Recent discoveries about the role of stem cells in cancer have altered the landscape of cancer research, says Medical News Today. There is, however, a long-running philosophical rift over stem cell research at both the state and federal levels. Some groups would rather focus on adult stem cell research, avoiding the moral and ethical questions about research involving embryos. While ethical debate on human embryonic stem cells will continue, much more is occurring on the rings surrounding this bull’s-eye issue, including research in both drug development and adult stem cells.

Biologists’ understanding of new sources and uses of adult and nonembryonic stem cells is advancing rapidly. Called “niches” or “crypts,” it seems that almost anyplace one looks in the body (nose, eye, hair follicle, intestine, bone marrow, central nervous system), stem cells are being found. From such basic knowledge, it has been reported that successful animal and human therapy using patient stem cells is already occurring. As more stem cell crypts are discovered, the desire to understand how to manipulate them within the body only becomes more acute.

At the 2007 Annual Meeting of the American Association for Cancer Research, researchers presented new discoveries about stem cells in leukemia, breast and colon cancer that add to the growing evidence that perhaps cancer is, fundamentally, a stem cell problem.

Interviewed by Vision Magazine at the Stem Cells World Congress earlier this year in La Jolla, California, veterinarian and CEO of Vet-Stem, Robert Harmon, explained how his company is currently providing stem cell therapies for animals. Injected into an injury or degenerated tissue, the stem cell treatment evokes healing in unprecedented ways. As it has been since its discovery almost 400 years ago, the cell and the “vital force” that makes it the seat of biological life continues to hold attention. It is likely that there will be no end to the moral and ethical questions and investigations. Today’s new age of molecular understanding, genomics, proteomics, gene splicing and bioengineering is barely underway. It is not surprising, then, that the more we know, the more we recognize how little we understand.

The timeline of discovery has been exponential: from discovery of the DNA double helix in 1953, and the understanding of the genetic code, gene splicing and cell differentiation in the 60s, 70s and 80s, science rapidly jumped up the learning curve to the cloning of whole organisms and the discovery of embryonic stem cells less than a decade ago. The future possibilities for the application of this knowledge seem enormous.

Read the full article about Stem Cell Research and interviews with speakers at the Stem Cells World Conference at Vision.org.

The new, stylish Sony Ericsson G900 is a slim, stylish and trendy 3G Smart phone which is actually a member of the Sony Ericsson G range. Sony Ericsson G900 is a very amazing mobile phone. All of its niche features have very unique kinds of characteristics. It has a very astounding camera features, which include a 5 mega pixels camera with auto focus, 3 x Digital Zoom, photo light, photo fix along with image stabiliser and Red Eye Reduction. It also has video recorder, video light, video stabiliser, video player, video clip, video streaming with 3G video calling with picture wall paper.

The compact 3G Smart phone comes with as usual a Symbian Operating system which is an open operating system for every mobile smart phone range, which allows its users to download new applications on their smart phone easily.

This phone’s organiser menu is really very large as it serves its users with utmost technology. Organiser menu contains phone book, alarm clock, calculator, calendar, tasks, timer, stop watch, notes, Flight mode, Speaker phone, vibrating alert, Symbian OS technology, Document Editor, Document Reader with phenomenal Handwriting Recognition and Touch screen controls.

It has the option for Internet as well. Internet network comes in four different marvellous ways, they are: Opera Web Browser, WAP 2.0 XHTML, WAP 1.2.1 and Web Feeds.

It also has very innovative kind of connectivity options, they are– as this phone is called 3G Smart phone –3G connectivity with WLAN Wi-Fi, Bluetooth and USB Cable port. It also has network connections of Tri Band Technology, Tri Band Technology has GSM 900, GSM 1800 and GSM 1900 with UMTS 2100.

This mobile phone has a very fascinating kind of built-in media player which allows its users to playback music and video files. The user can enjoy high quality sound as it has very good kind of clarity in its sound section. Sound section has media player, album art, FM Radio RDS, Polyphonic ring tones, MP3 and AAC Ring tones, Mega bass, Track ID, Play Now and Bluetooth Stereo(A2DP).

Strathclyde Associates Trading and Management Construction Company News: Trimble has announced today that a SITECH Technology Dealer has been established to serve contractors in Florida, Georgia and Alabama. SITECH South East joins the network of SITECH dealerships – the first fully dedicated global distribution network offering the most comprehensive portfolio of construction technology systems available to the heavy and highway contractor.

SITECH Technology Dealers represent Trimble machine control systems for the contractor’s entire fleet of heavy equipment regardless of machine brand, along with Trimble’s portfolio of Connected Site(TM) solutions–site positioning systems, construction asset management services, software and powerful wireless and Internet-based site communications infrastructure.

Strathclyde Associates Trading and Management Construction Company News: The experienced construction professionals at each SITECH Technology Dealership can advise contractors on the appropriate construction technology solutions to utilize, and can provide high-quality local customer service, personalized training and technical support. As authorized dealers for Trimble site-wide solutions, the SITECH Technology Dealers understand how to apply innovative construction technology to help solve a variety of contractors’ construction challenges. Leveraging technology, contractors can gain greater insight into their operations, enabling them to lower operating costs and improve accuracy, safety and productivity.

Through the adoption of construction technology, contractors can experience new levels of productivity that enable more competitive bidding on projects. SITECH Technology Dealers offer the most advanced and complete set of tools to revolutionize the construction workflow.

Strathclyde Associates Trading and Management Construction Company News: Trimble is establishing SITECH Technology Dealers in the Americas, Europe and Asia / Pacific regions. SITECH South East will serve heavy and highway contractors throughout the states of Florida, Georgia and Alabama involved in a range of earthmoving applications such as the construction of roads, highways, railways and airports as well as site prep for large commercial, industrial and residential projects.

SITECH South East was formed by Southern Precision, Inc. (SPI) and Trimble.

Strathclyde Associates Construction Management: Strathclyde Associates Trading and Management Construction Company made a number of associations mainly in the Pacific and Southeast Asia regions. These business partnerships added extra strength to Strathclyde Associates Trading and Management Construction Company. We are proud to be associated with projects in countries including Thailand, Indonesia, Singapore and Seoul, S Korea.

Music Science Fair Projects

Posted February 19, 2019 By bouij

Music Science Fair Projects

Students and adults alike might be surprised that an interest in music and participation in a science fair can be combined. Music science fair projects are some of the most interesting demonstrations at the school event. Most people enjoy some style of music in their car, at home, with a personal music player, in a band, or at concert. Many people enjoy singing in a choir. What all these venues have in common is obviously music. What most participants do not realize is that there is science at work in every note they play, sing or hear! Music science fair projects offer the students and the visitors to the event to learn completely new concepts of science as they relate to music. Many of these people will leave the event with a deeper level of understanding of and appreciation for the magical science that is music!

Music science fair projects are chosen by students who have a love of the universal language that we all call music. The most creative students will choose music science fair projects to investigate the various topics surrounding the production and enjoyment of music. The first category of music science fair projects will focus on different ways to produce the tones that human being consider musical. This may include an investigation of the sounds of music from different cultures. Included in this are the unique instruments found around the world. Additionally, this may investigate the rhythms that different cultures gravitate toward. These types of music science fair projects will also demonstrate the creativity of students as they develop their own mechanisms for making musical tones. The most popular of these are crystal containers filled with various depths of water.

The other group of students presenting music science fair projects may focus on the effects that music has on people. Instead of examining the instruments, these students will explore the old adage that music hath charms to sooth the savage breast. There are still research studies being conducted on the soothing effects of music on various demographics of people as well as different animal and plant life. These students who present demonstrations and research findings on this data also increase everyones understanding and appreciation for the universal language of music.