5.1 Phase and phase difference In this section I am considering sine waves that have the same frequency, but are out of step with each other. Suppose we have two detectors at fixed points, A and B. At this moment in time A is in a high pressure region and B in a low pressure region. If we were to look again shortly later B would now in a high pressure region and A in a low pressure region. The pressures at A and B would be out of step with each other. The pressure variation at B is not in phase with that at A. The ex
In this section I am considering sine waves that have the same frequency, but are out of step with each other.
Suppose we have two detectors at fixed points, A and B. At this moment in time A is in a high pressure region and B in a low pressure region. If we were to look again shortly later B would now in a high pressure region and A in a low pressure region. The pressures at A and B would be out of step with each other. The pressure variation at B is not in phase with that at A. The ex
The Future of Europe
Leszek Balcerowicz, former president, National Bank of Poland; and professor of economics, Warsaw School of Economics
Fabled U.S. college football program rocked by child sex scandal
Nov. 7 - Former Penn State football team defensive coordinator Gerald "Jerry" Sandusky faces charges of sexual assault involving eight boys, according to state prosecutors. Pennsylvania's top police officer Frank Noonan said "it's a case about children who've had their innocence stolen from them." Rough cut (no reporter narration).
Jackson family pleased with Murray verdict
Nov 8 - Michael Jackson fans cheer and his family members pleased with guilty verdict in Dr. Conrad Murray trial. Rough cut (No reporter narration)
World Affairs- The Arab Spring
Keith St. Claire Presents on UN DAY at Aquinas College about the Arab Spring and the impact on the Israeli-Palestinian Conflict.
This year's Halloween costume picks
Oct. 27 - Headlines and hit makers become this year's popular Halloween costumes. Tara Cleary reports.
Happy Haunting with Pumpkin Carving -- College of Charleston Style
The College of Charleston's Dining Services hosted their annual Fall Carnival and enormously popular pumpkin carving contest. Aramark provided 50 pumpkins (free) for students to carve once inside the all-you-care-to-eat Liberty Street Fresh Food Company. The grand prize winner got two concert tickets to see Darius Rucker. Students also enjoyed games, music, and favorite carnival menu items including giant turkey legs, funnel cakes, fresh popcorn and buffalo wings. For more information about th
National Geographic-Carrier Crab
If you think your backpack's bulky, be thankful you're not a carrier crab! Watch how these crustaceans pick up anything they can to use as defense—even another animal! This is a great resource to help build background knowledge for students. (0:58)
ISS Update - Oct. 31, 2011
The International Space Station video update for Oct. 31, 2011.
"3D Shapes I Know" Song-Cone, Cylinder, Sphere, Cube
This catchy tune introduces the 3D shapes-cone, cylinder, sphere, and cube. It also gives real world examples of these shapes. The main lyrics repeat several times and will help students to remember the basic 3D shapes. This would be great for a review once young learners have been introduced to the four shapes covered in this video. (3:17)
Black Friday goes mobile
Nov. 23 - Holiday shopping is going mobile, with retailers aggressively courting shoppers using exclusive mobile deals for smartphones and tablets this Black Friday. Bobbi Rebell reports.
Green's the theme at Wall Street protest HQ
Nov. 3 - After six weeks of protest at a park in New York's financial district, hundreds of Occupy Wall Street protesters are using eco-friendly systems to keep their temporary home clean and environmentally friendly. Their green initiatives include composting, energy-producing bicycles and a gray water treatment system to sustain them as they rail against the wealthiest one percent of Americans. Sharon Reich reports.
Jeff Beck wins Living Legend
Nov. 10 - Jeff Beck wins Living Legend Award and performs with Joss Stone and Chrissie Hynde. Mirja Mey reports.
The Whole Frog Project
Computers can't teach everything in anatomy, but they can teach some things better, either by themselves or through synergy with conventional methods. Try out this award-winning virtual frog- as a case in point.
TED407 Session 2 Spring 2012
Language Learning with Danny Brassell
Ceylon Covered Bridge in Adams County, Indiana
Built circa 1860, the Ceylon Covered Bridge is the last still standing of 23 known covered bridges that originally crossed the Wabash River. The single span Howe Truss structure was bypassed in 1974 and surrounded by a roadside park.,Adams County Journey
Dr. Conrad Murray guilty; Lindsay freed
Nov. 07 - A Los Angeles jury finds Michael Jackson's physician, Dr. Conrad Murray guilty of involuntary manslaughter. John Russell reports.
Summer Institute 7/19/11