How To Tell The Time - Intro
This is a basic ten-minute introduction of how to tell the time. The instructor also shows the viewer to cut the clock into quarters for quarter-after, half-past, etc.
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Antique Furniture : How to Become an Auctioneer
Auctioneering is a very old, yet very rewarding profession. Become an auctioneer by contacting the state government for licensing with information from a certified estate specialist in this free video on antiques and collecting. (01:33)

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Learning outcomes

After studying this unit you should be able to:

  • define risk in the most appropriate way, and appreciate the need to prioritise risks;

  • appreciate the costs of illness associated with workplace activities;

  • describe in outline the development of models used to explain the cause of incidents and to promote prevention;

  • recognise the multiple causes contributing to many incidents, and be able to represent them diagrammatically;


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    Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

Introduction

Life is full of risk. We encounter many uncalculated outcomes, some beneficial and others adverse. Businesses, especially in the financial context, often consider risk in terms of opportunities for gain. Risk in our context is a way of describing the probability and consequences of harm, or at worst a disaster. Risk management involves many stakeholders who can themselves influence the risks facing an organisation. Integrated management systems help ensure that safety, quality, environmental
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Opening Remarks/How the Brain Invents the Mind
In trying financial times, Susan Hockfield remains optimistic and committed to pursuing MIT’s massive, multi-year initiatives in energy and life sciences. She prefaces her “whirlwind” tour of MIT for an alumni audience by referencing the campus-wide relief at the change in presidential administrations, which promises
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5.2.2 Calorie restriction
This unit looks at two topics that are of immense worldwide social, economic, ethical, and political importance – ‘addiction’ and ‘neural ageing’. You will develop a Master's level approach to the study of specific issues within these two important subject areas.
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6.3 (b) Switching to renewable energy sources
Access to safe, clean and sustainable energy supplies is one of the greatest challenges facing humanity during the twenty-first century. This unit will survey the world’s present energy systems and their sustainability problems, together with some of the possible solutions to those problems and how these might emerge in practice.
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4.8.1 Capturing meetings

Internet meetings and broadcasts can be easily recorded and replayed because everything is mediated digitally: the text of emails, the audio stream and the slides used. However, face-to-face meetings are by far still the most common way to present and discuss issues in organisations, and the richness of personal presence makes them unlikely to disappear. How can face-to-face meetings be ‘captured’? Traditional written minutes provide a rough summary of points discussed, but provide o
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2.4.1 From Heidegger to knowledge technologies

Because each transformation from one ‘knowledge state’ to another (Figure 2) is an act of interpretation, there is no such thing as objective knowledge representation, or indeed objective classification or codification of any sort (in software or any other medium): there is always a viewpoint. This leads to the view that information and communication systems cannot be thought of as neutral; in their formal structures and operations they embody the goals and perspectives of their deve
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Product Development and the Environment
In this activity, students investigate the life cycle of an engineered product and how the product impacts the environment. They analyze a product using a simple life cycle assessment that assigns fictional numerical values for different steps in the life cycle. They use their analysis to compare the impacts of their product to other products, as well as suggest ways to reduce the product's environmental impact based on their analysis.
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Yogurt Cup Speakers
This lesson introduces students to the role of electricity and magnetism as they build a speaker. In addition, students explore properties of magnets, create an electromagnet, and determine the direction of a magnetic filed. They conduct a scientific experiment and show cause-effect relationships by monitoring changes in the speaker's movement as the amount or the direction of the current change.
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Population Growth in Yeasts
This lesson is the second of two that explore cellular respiration and population growth in yeasts. In the first lesson, students set up a simple way to indirectly observe and quantify the amount of respiration occurring in yeast-molasses cultures. Based on questions that arose during the first lesson and its associated activity, in this lesson students work in small groups to design experiments that will determine how environmental factors affect yeast population growth.
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Sextant Solutions
The earliest explorers did not have computers or satellites to help them know their exact location. The most accurate tool developed was the sextant to determine latitude and longitude. In this activity, the sextant is introduced and discussed with the class. Students will learn how a sextant can be a reliable tool that is still being used by today's navigators and how computers can help assure accuracy when measuring angles. Also, this activity will show how computers can be used to understand
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Cleaning Up with Decomposers
Students investigate decomposers and the role of decomposers in maintaining the flow of nutrients in an environment. Students also learn how engineers use decomposers to help clean up wastes in a process known as bioremediation. This lesson concludes a series of six lessons in which students use their growing understanding of various environments and the engineering design process, to design and create their own model biodome ecosystems.
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Surgical Resident for a Day
In this activity, students will become surgical residents for the day. As a team, they will be asked to use surgical instruments to complete a task inside of a black box. They will be able to see inside of the box with the help of a "laparoscope" (webcam and flashlight). This activity is intended to show the students one application of medical instruments, as well as to allow them to see first had how form fits function. They will also realize that an engineer's job does not end with a finished
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Classroom Triangles
In this activity, students will use bearing measurements to triangulate and determine objects' locations. Working in teams of two or three, students must put on their investigative hats as they take bearing measurements to specified landmarks in their classroom (or other rooms in the school) from a "mystery location." With the extension activity, students are challenged with creating their own map of the classroom or other school location and comparing it with their classmates' efforts.
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How Much Sugar is in Bubble Gum?
Most of the flavoring in gum is due to the sugar or other sweetener it contains. As gum is chewed, the sugar dissolves and is swallowed. After a piece of gum loses its flavor, it can be left to dry at room temperature and then the difference between its initial (unchewed) mass and its chewed mass can be used to calculate the percentage of sugar in the gum. This demonstration experiment is used to generate new questions about gums and their ingredients, and students can then design and execute ne
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Buoyant Boats
Students will conduct a simple experiment to see how the water level changes in a beaker when a lump of clay sinks in the water and when the same lump of clay is shaped into a bowl that floats in the water. They will notice that the floating clay displaces more water than the sinking clay does, a result that will probably surprise them. They will then determine the mass of water that is displaced when the clay floats in the water. A comparison of this mass to the mass of the clay itself should r
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Images of the Sun
Skylab's solar experiments captured images of the sun in incredible detail and revealed unknown aspects of the Sun.
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Gummy Bear Experiment - Conversion of Bond Energy to Heat Energy and Light Energy
This cool science experiment illustrates the conversion of bond energy to heat energy and Light Energy. It is also a good demonstration cellular respiration. At www.RegentsTutor.com the Regents Tutor will help you prepare for your class or Regents Exam. Take online video lessons, interactive exam questions with video answers, review sheets, live chat and other tools to help you improve your grades. Current subjects include Chemistry and The Living Environment (Biology). Check the website for add
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