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Bone Mineral Density Math and Beer's Law
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Educational Use
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Students revisit the mathematics required to find bone mineral density, to which they were introduced in lesson 2 of this unit. They learn the equation to find intensity, Beer's law, and how to use it. Then they complete a sheet of practice problems that use the equation.

Subject:
Applied Science
Engineering
Physical Science
Physics
Material Type:
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Kristyn Shaffer
Date Added:
09/18/2014
Bone Mineral Density and Logarithms
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Educational Use
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Students examine an image produced by a cabinet x-ray system to determine if it is a quality bone mineral density image. They write in their journals about what they need to know to be able to make this judgment. Students learn about what bone mineral density is, how a BMD image can be obtained, and how it is related to the x-ray field. Students examine the process used to obtain a BMD image and how this process is related to mathematics, primarily through logarithmic functions. They study the relationship between logarithms and exponents, the properties of logarithms, common and natural logarithms, solving exponential equations and Beer's law.

Subject:
Applied Science
Engineering
Life Science
Physical Science
Physics
Material Type:
Unit of Study
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Kristyn Shaffer
Date Added:
09/18/2014
E.Z. Science: Exploring the X-ray Universe
Conditional Remix & Share Permitted
CC BY-NC
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By studying X-rays in deep space, we can learn about some of the most violent and extreme objects in the universe, such as black holes and the remains of stars that have exploded

Subject:
Physical Science
Material Type:
Activity/Lab
Provider:
National Air and Space Museum
Author:
National Air and Space Museum
Date Added:
12/08/2021
Engineering Nature: DNA Visualization and Manipulation
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Educational Use
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Students are introduced to genetic techniques such as DNA electrophoresis and imaging technologies used for molecular and DNA structure visualization. In the field of molecular biology and genetics, biomedical engineering plays an increasing role in the development of new medical treatments and discoveries. Engineering applications of nanotechnology such as lab-on-a-chip and deoxyribonucleic acid (DNA) microarrays are used to study the human genome and decode the complex interactions involved in genetic processes.

Subject:
Applied Science
Engineering
Genetics
Life Science
Physical Science
Physics
Material Type:
Unit of Study
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Mircea Ionescu
Myla Van Duyn
Date Added:
09/18/2014
Exploring Bone Mineral Density
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Educational Use
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In this activity, students will explore two given websites to gather information on Bone Mineral Density and how it is measured. They will also learn about X-rays in general, how they work and their different uses, along with other imaging modalities. They will answer guiding questions as they explore the websites and take a short quiz after to test the knowledge they gained while reading the articles.

Subject:
Applied Science
Engineering
Life Science
Physical Science
Physics
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Kristyn Shaffer
Date Added:
09/18/2014
Imaging DNA Structure
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Educational Use
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Students are introduced to the latest imaging methods used to visualize molecular structures and the method of electrophoresis that is used to identify and compare genetic code (DNA). Students should already have basic knowledge of genetics, DNA (DNA structure, nucleotide bases), proteins and enzymes. The lesson begins with a discussion to motivate the need for imaging techniques and DNA analysis, which prepares students to participate in the associated two-part activity: 1) students each choose an imaging method to research (from a provided list of molecular imaging methods), 2) they research basic information about electrophoresis.

Subject:
Applied Science
Engineering
Genetics
Life Science
Material Type:
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Mircea Ionescu
Myla Van Duyn
Date Added:
09/18/2014
Light Intensity Lab
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Educational Use
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Students complete this Beer's Law activity in class. Students examine the attenuation of various thicknesses of transparencies. From this activity, students will understand that different substances absorb light differently. This can then be transferred to X-rays to explain that different substances absorb X-rays differently, hence the need for dual-energy analysis. In looking at Beer's Law, students use the properties associated with natural logarithms. After the activity, students complete a series of questions regarding what they observed.

Subject:
Applied Science
Engineering
Physical Science
Physics
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Chris Garay
Date Added:
09/18/2014
MARIE CURIE (2016)
Only Sharing Permitted
CC BY-NC-ND
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Marie Curie turned our understanding of the world upside down. But who was this pioneer who to this day remains the only person to have been awarded a Nobel Prize in two scientific disciplines?

Subject:
Chemistry
Physical Science
Physics
Material Type:
Lecture
Provider:
Lindau Nobel Laureate Meetings
Provider Set:
Mini Lectures
Date Added:
04/13/2018
Occupational Radiation Safety
Conditional Remix & Share Permitted
CC BY-NC-SA
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This module is designed for postsecondary instruction.  The intention is to give an understanding of radiation safety from an occupational use standpoint.  It will aid the participant in gaining a comprehensive understanding of the principles and practices of occupational safety.  By the end of the lesson, the learner should be equipped to identify potential hazards, implement safety measures, and ensure compliance with relevant regulations to protect workers against the harmful effects of radiation.  This is one part of a unit that is being written on physical agent safety.

Subject:
Health, Medicine and Nursing
Material Type:
Lesson
Module
Author:
Brett Humphrey
Date Added:
10/09/2023
Statistical Thermodynamics of Complex Liquids
Conditional Remix & Share Permitted
CC BY-NC-SA
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This course explores the theory of self-assembly in surfactant-water (micellar) and surfactant-water-oil (micro-emulsion) systems. It also introduces the theory of polymer solutions, as well as scattering techniques, light, x-ray, and neutron scattering applied to studies of the structure and dynamics of complex liquids, and modern theory of the liquid state relevant to structured (supramolecular) liquids.

Subject:
Applied Science
Engineering
Mathematics
Physical Science
Physics
Statistics and Probability
Material Type:
Full Course
Provider:
MIT
Provider Set:
MIT OpenCourseWare
Author:
Chen, Sow-Hsin
Date Added:
02/01/2004
Storm Signals
Unrestricted Use
Public Domain
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Students participating in Storm Signals play a critical role in the overall process of the Student Observation Network (S.O.N.). They are able to confirm the predictions of the Sunspotter's Sunspot Suspect, and they will predict magnetic storms around Earth, issuing Space Weather alerts that tell other students to begin monitoring the Magnetosphere for magnetic storms. By collecting and analyzing real-time data from their radio antennas, professional observatories, and NASA satellites, they can carry out the same duties as NASA researchers! The Space Weather alerts issued by the Space Environment Center (SEC) of NOAA (National Oceanographic and Atmospheric Administration) are essential to protect satellites, power grids and astronauts.

In Storm Signals you will learn:

1. How to instruct students in the construction of a simple device to detect radio emissions from the Sun.

2. How to enable students to obtain and interpret radio emissions from ground-based professional observatories.

3. How to enable students to obtain and interpret radio, x-ray and ultraviolet emissions from NASA satellites.

Subject:
Physical Science
Material Type:
Activity/Lab
Teaching/Learning Strategy
Provider:
NASA
Date Added:
02/16/2011
Submicrometer and Nanometer Technology
Conditional Remix & Share Permitted
CC BY-NC-SA
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This course surveys techniques to fabricate and analyze submicron and nanometer structures, with applications. Optical and electron microscopy is reviewed. Additional topics that are covered include: surface characterization, preparation, and measurement techniques, resist technology, optical projection, interferometric, X-ray, ion, and electron lithography; Aqueous, ion, and plasma etching techniques; lift-off and electroplating; and ion implantation. Applications in microelectronics, microphotonics, information storage, and nanotechnology will also be explored.
Acknowledgements
The Instructors would like to thank Bob Barsotti, Bryan Cord, and Ben Wunsch for their work on the Atomic Force Microscope video. They would also like to thank Bryan Cord for creating each video.

Subject:
Applied Science
Career and Technical Education
Electronic Technology
Engineering
Material Type:
Full Course
Provider:
MIT
Provider Set:
MIT OpenCourseWare
Author:
Barbastathis, George
Berggren, Karl
Smith, Henry
Date Added:
02/01/2006