In this activity, students use an old fashion children's toy, a metal …
In this activity, students use an old fashion children's toy, a metal slinky, to mimic and understand the magnetic field generated in an MRI machine. The metal slinky mimics the magnetic field of a solenoid, which forms the basis for the magnet of the MRI machine. Students run current through the slinky and use computer and calculator software to explore the magnetic field created by the slinky.
This unit uses the slinky seismometer as a means of studying physics …
This unit uses the slinky seismometer as a means of studying physics concepts such as waves, sound and the speed of sound vs speed of light, resonance, electricity and magnetism, Lenz Law and magnetic dampening (backwards engineering). Students experiment with the basic parts of the seismometer and either build or connect the seismometer to the internet to take and upload data.
Students learn why shock absorbers are necessary on vehicles, how they dampen …
Students learn why shock absorbers are necessary on vehicles, how they dampen the action of springs, and what factors determine the amount of dampening. They conduct an experiment to determine the effect of spring strength and port diameter on the effectiveness of a shock absorber. Using a syringe, a set of springs, and liquids of different viscosities, students determine the effects of changing pressures and liquids on the action of a model shock absorber. They analyze their data through the lens of an engineer.
In dredging, trenching, (deep sea) mining, drilling, tunnel boring and many other …
In dredging, trenching, (deep sea) mining, drilling, tunnel boring and many other applications, sand, clay or rock has to be excavated.The book covers horizontal transport of settling slurries (Newtonian slurries). Non-settling (non-Newtonian) slurries are not covered.
The smart grid of the future is a complex electrical power system. …
The smart grid of the future is a complex electrical power system. Its study, design, and management requires the integration of knowledge from various disciplines including sustainability, technology and mathematics.
Smart grids show a level of complexity and heterogeneity that often cannot be covered by analytical methods. Therefore, modeling and simulation are of great importance.
In this course, you will apply modeling tools to study and analyze the performance of your self-designed intelligent electrical power grid. By modeling smart grids, you will explore the integration of renewable energy sources into a grid, its dynamics, control and cyber security.
The smart grid of the future is a complex electrical power system. …
The smart grid of the future is a complex electrical power system. Its study, design, and management requires the integration of knowledge from various disciplines including sustainability, technology and mathematics.
In this course, you will be introduced to the definition of a smart grid, its heterogeneity, dynamics, control, security and assessment strategies. The challenge of modeling such a system is also discussed. A group of researchers will offer their expertise on these topics and will introduce the modeling method which will be used in the second course of this program.
Students become familiar with the concept of a communication system, its various …
Students become familiar with the concept of a communication system, its various parts and functions. To do this, they encode, decode, transmit, receive and store messages for a hypothetical rescue mission, using a code sheet and flashlight for this process.They also maintain storage sheets from which they can retrieve information as it is required.
Smarthistory, the art history provider of the Khan Academy, provides comprehensive essays …
Smarthistory, the art history provider of the Khan Academy, provides comprehensive essays and videos covering art historical topics from prehistoric through contemporary times. Thematic approaches and current ethical issues related to art and archeology are also covered and explored. Downloadable PDF documents are available for specific geographic regions. This site is geared towards the introductory learner and is appropriate for AP high school students, college students, and the general public. New material and formats, including a globally-oriented digital textbook, are being added to the site.
Students develop a persuasive peer-to-peer case against smoking, with the goal to …
Students develop a persuasive peer-to-peer case against smoking, with the goal to understand how language usage can influence perception, attitudes and behavior.
Students explore why different types of sneakers are used in a variety …
Students explore why different types of sneakers are used in a variety of common sports, and how engineers analyze design needs in sneakers and many other everyday items. The goal is for students to understand the basics of engineering associated with the design of athletic shoes. The design of footware based on how it will be used involves bioengineering. Students analyze the foot movements in a variety of sports, develop design criteria for a specific sport, and make recommendations for requirements for the sneakers used in that sport.
Engineers work in many fields associated with precipitation. Engineers study glaciers to …
Engineers work in many fields associated with precipitation. Engineers study glaciers to better understand their dates of formation and current demise. They deal with issues of pollution transport and water yield, and they monitor reservoirs and dams to prevent flooding.
Students review what they know about the 20 major bones in the …
Students review what they know about the 20 major bones in the human body (names, shapes, functions, locations, as learned in the associated lesson) and the concept of density (mass per unit of volume). Then student pairs calculate the densities for different bones from a disarticulated human skeleton model of fabricated bones, making measurements via triple-beam balance (for mass) and water displacement (for volume). All groups share their results with the class in order to collectively determine the densities for every major bone in the body. This activity prepares students for the next activity, "Can It Support You? No Bones about It," during which they act as biomedical engineers and design artificial bones, which requires them to find materials of suitable density to perform as human body implants.
This course explores how social theories of urban life can be related …
This course explores how social theories of urban life can be related to the city's architecture and spaces. It is grounded in classic or foundational writings about the city addressing such topics as the public realm and public space, impersonality, crowds and density, surveillance and civility, imprinting time on space, spatial justice, and the segregation of difference. The aim of the course is to generate new ideas about the city by connecting the social and the physical, using Boston as a visual laboratory. Students are required to present a term paper mediating what is read with what has been observed.
This course is an introduction to the theory that tries to explain …
This course is an introduction to the theory that tries to explain how minds are made from collections of simpler processes. It treats such aspects of thinking as vision, language, learning, reasoning, memory, consciousness, ideals, emotions, and personality. It incorporates ideas from psychology, artificial intelligence, and computer science to resolve theoretical issues such as wholes vs. parts, structural vs. functional descriptions, declarative vs. procedural representations, symbolic vs. connectionist models, and logical vs. common-sense theories of learning.
A reading and discussion subject on advanced topics in the engineering of …
A reading and discussion subject on advanced topics in the engineering of software systems. Focus on software development. Topics differ but are chosen from: software process and lifecycle; requirements development, specification and analysis; design principles; testing, formal analysis, and reviews; quality management and assessment; product and process metrics; COTS and reuse; evolution and maintenance; team organization and people management; software engineering aspects of programming languages; and software psychology. Prerequisite is basic knowledge of programming and an introductory class in software engineering. The second prerequisite can be waived with permission of the instructor and additional background reading.
Students learn about contamination and pollution, specifically in reference to soil in …
Students learn about contamination and pollution, specifically in reference to soil in and around rivers. To start, groups use light sensors to take light reflection measurements of different colors of sand (dyed with various amounts of a liquid food dye), generating a set of "soil" calibration data. Then, they use a stream table with a simulated a river that has a scattering of "contaminated wells" represented by locations of unknown amounts of dye. They make visual observations and use light sensors again to take reflection measurements and refer to their earlier calibration data to determine the level of "contamination" (color dye) in each well. Acting as engineers, they determine if their measured data is comparable to visual observations. The small-scale simulated flowing river shows how contamination can spread.
Students learn about one method used in environmental site assessments. They practice …
Students learn about one method used in environmental site assessments. They practice soil sampling by creating soil cores, studying soil profiles and characterizing soil profiles in borehole logs. They use their analysis to make predictions about what is going on in the soil and what it might mean to an engineer developing the area.
Students learn the basics about soil, including its formation, characteristics and importance. …
Students learn the basics about soil, including its formation, characteristics and importance. They are also introduced to soil profiles and how engineers conduct site investigations to learn about soil quality for development, contamination transport, and assessing the general environmental health of an area.
Students learn about the daily and annual cycles of solar angles used …
Students learn about the daily and annual cycles of solar angles used in power calculations to maximize photovoltaic power generation. They gain an overview of solar tracking systems that improve PV panel efficiency by following the sun through the sky.
Advanced semiconductor devices are a new source of energy for the 21st …
Advanced semiconductor devices are a new source of energy for the 21st century, delivering electricity directly from sunlight. Suitable semiconductor materials, device physics, and fabrication technologies for solar cells are presented in this course. The guidelines for design of a complete solar cell system for household application are explained. Cost aspects, market development, and the application areas of solar cells are presented.
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