Nano Hairs Twist Into Tiny Dreadlocks
Under the right conditions, tiny synthetic hairs will twist together to form intricate braids. Joanna Aizenberg, a professor of materials science, chemistry and chemical biology and Radcliffe professor at Harvard University, shows us what the nano knots look like and what they might be good for. (2:15)
Using Data Effectively—Jay Gribble from PRB
Learn more: http://pulitzercenter.org/projects/africa-reproductive-health-family-planning-reporting-initiative
Jay Gribble, vice president of international programs at Population Reference Bureau (PRB) explains some of the many data resources PRB publishes for journalists. They are available on PRB's website http://prb.org
He spoke on a panel for journalists about how best to use data at the International Family Planning Conference in Dakar, Senegal.
This video is part of Pulitzer Center's c
ISS Update - Jan. 3, 2012
The International Space Station video update for Jan. 3, 2012.
Morning Briefing: Gingrich takes on Romney, Murdoch tweets
Jan. 3 - In an exclusive interview with Reuters, Newt Gingrich unleashes a barrage of criticism directed at Mitt Romney, and Rupert Murdoch attracts over 86,000 followers on his two-day old Twitter account.
Markets cheer 2012
Jan. 3 - Summary of business headlines: New Year's cheer for stock markets on encouraging data; Starbucks hiking prices. Bobbi Rebell reports.
Gunbattle erupts in Tripoli
Jan. 3 - A deadly militia gunbattle erupts in Tripoli, casting doubt over the new government's ability to reassert control in the post-Gaddafi era. Deborah Lutterbeck reports.
U.S. Day Ahead: Auto sales need more gas
Jan. 3 - Reuters Auto Correspondent Bernie Woodall says U.S. vehicle sales are set to rise nine percent in December, but mainly due to customers delaying their purchases.
GOP candidates make their final pitches in Iowa
Jan. 3 - GOP candidates continue whirlwind campaigning during the final hours leading up to the Iowa caucuses as voters mull which of several choices to support. Rough Cut (no reporter narration).
Golden Globe nominated silent movie The Artist premieres in Germany.
Jan. 03 - French actor and comedian Jean Dujardin attends the German premiere in Berlin of the silent movie "The Artist," nominated for six Golden Globes, with director Michel Hazanavicius dreaming about an Oscar and expressing surprise about the film's succes.
Gloom, Doom, and Optimism Marc Faber is a market analyst and publisher of the "Gloom, Boom and Doom Report" newsletter. As you may have gathered from that title, he's rather pessimistic about the economy. (He's also been very accurate concerning economic trends over his career.) But he really dropped jaws recently when he made the following statement on CNBC: I am a great optimist in l
Webquest / webkwestie over Sinterklaas Webquest / webkwestie over Sinterklaas geschikt voor groep 7 en 8 met onder de button leerkracht 6: opdrachtenkaarten zodat kan worden gedifferentieerd naar interesse.
Cleaning the Air
Engineers design methods of removing particulate matter from industrial sources to minimize negative effects of air pollution. In this activity, students will undertake a similar engineering challenge as they design and build a filter to remove pepper from an air stream without blocking more than 50% of the air.
Stressed and Strained
Students are introduced to the concepts of stress and strain with examples that illustrate the characteristics and importance of these forces in our everyday lives. They explore the factors that affect stress, why engineers need to know about it, and the ways engineers describe the strength of materials. In an associated literacy activity, while learning about the stages of group formation, group dynamics and team member roles, students discover how collective action can alleviate personal feeli
The Next Dimension
The purpose of this lesson is to teach students about the three dimensional Cartesian coordinate system. It is important for structural engineers to be confident graphing in 3D in order to be able to describe locations in space to fellow engineers.
DSP Laboratory with TI TMS320C54x (International Demo)
This course is a demonstration of using the Connexions project to host foreign language content in the context of a DSP lab course. It borrows material from Doug Jones' ECE320 course at UIUC and provides translations of some of the material in the Japanese, Chinese and Thai languages.
Technical Analysis Dictionary
Technical Analysis Dictionary for Stock Market Trading
Multirate Signal Processing
An electrical engineering course on multirate signal processing.
Introduction to Physical Electronics
An introduction to solid state device including field effect and bipolar transistors. Properties of transmission lines and propagating E&M waves.
Osteoporosis
This patient education program explains osteoporosis and the causes, risk factors, symptoms, diagnosis, and treatments. Also included are tips for prevention. This resource is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.
The Grand Canyon: Its Youngest Rocks
This video segment adapted from NOVA features the youngest rock formations in the Grand Canyon, lava dams, and how they are subject to the eroding power of water.
