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What is the Cone of Uncertainty? Project Management in Under 5
The Cone of Uncertainty is a helpful way to understand the evolution of your project. So, what is the Cone of Uncertainty?
ATHS Engineering
Measurement Basics for Intro Engineers
Welcome to Introduction to Engineering. This is your first video tutorial! Today, we are talking about measurement. We'll need to know some of this stuff for our first project. Get your ruler ready!
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Coulomb
The international standard unit of electric charge. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
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Temperature
A measurement related to the average kinetic energy of the particles contained in a system. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
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Luminance
A measure of the amount of light emitted from or passing through a given area. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
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Millibar (mb)
A unit of pressure widely used for expressing atmospheric pressure. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
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Nutritional value
A measure of the nutritional content of food, including the vitamins, minerals and other essential nutrients needed for a healthy diet. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
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Spectrometer
An instrument that measures the intensity of electromagnetic radiation over a range of wavelengths. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
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Median
The middle value of a list of data arranged in incremental order. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
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Mass - Matter Measurement
A measure of how much matter an object contains, in units of grams or kilograms. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
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Resolution
In measurement and in display systems, resolution is a measure of how much detail can be detected or shown. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Rate of reaction
A measure of how fast a reaction is taking place. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
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Frequency
The rate at which a repeating event occurs, usually measured in counts per unit time. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
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Concentration
A measure of how much of one substance is dissolved or dispersed in another, for example salt in water, or oxygen in the atmosphere. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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Refractive index
A measure of the speed of light in a medium, defined as the ratio of the speed of light in a vacuum, to its speed in the medium under consideration. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
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Energy
The capacity of a system or a body to do work. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts...
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pH
The pH scale measures the acidity or alkalinity of a solution. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
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Atomic weight
The average mass of atoms of an element. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts and key...
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Hertz (Hz)
The SI unit of frequency, one hertz is equal to one cycle per second. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
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Pressure and Surface Area
Learn how surface area can affect the amount of pressure exerted, and why this is useful in life? Physics - Forces - Learning Points. Pressure is the amount of force acting on a set area. Pressure is measured in pascals. Pressure can be...
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Factpack: Beaufort Scale
How to rate the wind according to Beaufort's scale, from a gentle breeze to a hurricane-force gale. Earth Science - Weather - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to...
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Factpack: pH Scale
Explore the pH scale, and discover whether a solution is acidic, alkaline or neutral. Chemistry - Reactions - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention...
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Modelling the Spitfire
Though the world's first model aircraft, a Spitfire, was built in a scale of 1:75, the resulting model would fit into the full-size equivalent more than 370,000 times over. Discover how scale is calculated in three dimensions. Maths -...
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How Hot Is the Earth's Core?
Unreachable by man, scientists have developed a complex experiment to demonstrate the heat and pressure at the centre of the Earth. Earth Science - Geology - Learning Points. The Earth's core is a dense ball of iron and nickel. To...