The History of Thanksgiving
This video discusses the history of Thanksgiving, its traditions and celebrations. Colonists, Native Americans, puritans, Abraham Lincoln, parades, football, turkeys, turducken, and family are all topics discussed. Very thorough and offers great details about Thanksgiving. (Running Time 9:17)
Color Changing Milk Science Experiment
Shows how dishsoap in milk and food coloring can create designs, but also scientific principles as fat in milk reacts to liquid soap. A science fair possibility. From Steve Spangler Science. Run time 03:27.
Columns: Experimenting with Balloons
If you were in search of a good building column, a balloon probably wouldn't be your first choice. Still, if you were in a pinch, you might be surprised at the strength of several balloons lying side by side. In this video segment adapted from ZOOM, three cast members test how many balloons are needed to support a person's weight. Closed captioning included. Run time 04:38.
Columns: Experimenting with Paper Cups
Columns, vertical structural elements that are strong in compression, are good at propping things up. In this video segment adapted from ZOOM, the cast uses paper cups to illustrate what makes columns strong and why they sometimes collapse. By filling the cups with sand, they also show that even hollow columns of a weak material like paper can be made surprisingly strong. Closed captioning included. Run time 03:03.
Columns: Finding the Strongest Shape
The shape of a structure and its parts is often as important as the materials those parts are made of. In this video segment adapted from ZOOM, members of the cast bend and fold sheets of paper to see which shape is the strongest and will support the weight of a heavy book. Closed captioning included. Run time 03:33.
Columns: Hillary's Neighborhood
In this video segment from ZOOM, Hillary, from Randolph, MA, proves she knows a thing or two about columns. She identifies their structural components, explains how and where they are used, and encourages viewers to look around their own communities for columns. If they're anything like her town, columns are everywhere! Closed captioning included. Run time 0:52.
Indra Swallowtail Butterfly Pupation Time Lapse Documentary
A very close-up look at the pupation process of the Indra Swallowtail (subspecies phyllisae), accompanied by still images of the adult and larvae. Pretty amazing time lapsed footage as the process is repeated 4 times. Set to music. Run time 02:28.
Dear Obama: Messages from LRA victims
Since September 2008, at least 2,000 civilians have been killed and nearly 3,000 others have been abducted during attacks by the Lord's Resistance Army (LRA). Here, victims of the rebel group call upon US President Barack Obama for urgent and decisive action to neutralize the LRA. Learn more about this project at http://pulitzercenter.org/projects/africa/lords-resistance-army-hunt-africas-most-wanted. See the full campaign at http://www.hrw.org/en/node/94226
Bomb kills two in northern Pakistan
A bomb near northern Pakistan's Peshawar city kills two and injures three others.
Treating trauma of volcano victims
Psychiatric hospitals in Central Java, Indonesia report an increase in patients following the deadly eruptions of Mount Merapi volcano.
Lecture 22 - 11/12/2010
Lecture 22 - 11/12/2010
Lecture 23 - 11/15/2010
Lecture 23 - 11/15/2010
This course is an introduction to the analysis phase for the design of compilers.
Students' performance and satisfaction with Web vs. paper-based practice quizzes and lecture notes
The use of computers to deliver course-related materials is rapidly expanding in most universities. Yet the effects of computer vs. printed delivery modes on students' performance and motivation are not yet fully known. We compared the impacts of Web vs. paper to deliver practice quizzes that require information search in lecture notes. Hundred and twenty two undergraduate students used either a web site or printed documents to answer 18 mathematics questions during a tutored session. A revised
Learning Individuals and Learning Communities: Informal Learning in 2025
This Paper presents the Learnovation vision within and around the area of informal learning, and more specifically it concerns three eLearning territories: individual development through e-Learning, nonprofessional learning communities, and communities generating learning as side effect. What these three territories have in common is that learning is not organised or structured, nor necessarily intentional from the learners perspective. A key assumption to understand the Learnovation Visio
You've Got to See It to Believe It!
Students develop an understanding of visible air pollutants with an incomplete combustion demonstration, a "smog in a jar" demonstration, building simple particulate matter collectors, and exploration of engineering roles related to air pollution. In an associated literacy activity, students learn basic marketing concepts and techniques, and the principles of comparative analysis, while creating an advertisement for a hybrid vehicle. Note: You may want to set up the activities for Air Pollution
Pervasive and Personal Learning Environments
This position paper provides some elements about the convergence of institutional and personal learning environments based on Web 2.0 as well as pervasive learning.
J. D. Salinger’s Characters as Existential Heroes: Encountering 1950s America
This dissertation will analyze Salinger’s three main protagonists, Holden Caulfield, Sergeant X, and Seymour Glass, who could not endure the pain of living a spiritual life in America and achieved symbolic or physical death at the end of their stories. It will challenge existential critic William Wiegand, who uses Kierkegaard’s concept of “Angst.” This dissertation acknowledges Wiegand’s use of the concept of “Angst,” but it opposes his conclusion because it is not acceptable from