Professor Dave Explains
Work and Energy
What's work? Not that place you go to earn money. In physics it means something else. And what's energy? Not like in the groovy sense. Actually, energy is one of the most improperly used words in the English language. Let physics define...
ProEdify
Understanding Work, Power, and Energy
This video provides a clear and concise explanation of the scientific definitions of work, power, and energy, and how these concepts are interconnected. It covers the formulas for calculating work and power, as well as the relationship...
Flipping Physics
Introduction to Work with Examples
An introduction to the physics equation for work, including a few basic examples of positive vs. negative work.
Flipping Physics
Introduction to Waves
An introduction to mechanical waves which are defined and demonstrated. The fact that the medium is not displaced is demonstrated. Both transverse waves and longitudinal waves are also defined and demonstrated.
Mazz Media
Vectors
This live-action video program is about the word Vectors. The program is designed to reinforce and support a student's comprehension and retention of the word Vectors through use of video footage, photographs, diagrams and colorful,...
Press Association
Families reunite at Heathrow after flying out of Beirut
A British-Lebanese woman has said she has “lost a lot of family” in the country.
Solange, who did not want give her surname, is waiting at Heathrow Airport for her family to arrive on a flight from Beirut.
Her 13-year-old son arrived...
Press Association
Full interview with Tanaiste Michael Martin in London
Interview with Tanaiste Michael Martin in London following his meeting with Foreign Secretary Lord David Cameron.
Getty Images
Avatar Press Conference
INTERVIEW: James Cameron on he message of the film and the connection to real and historical events like Vietnam, 9/11 and the ongoing displacement of indigenous people. If we don't realise as a race what we're doing, then we're headed...
Getty Images
American Airlines passenger jet enters runway and accelerates for takeoff spewing thick clouds of hot jet exhaust fumes and gases being pumped out of jet engines against background of windfarm
American Airlines passenger jet enters runway and accelerates for takeoff spewing thick clouds of hot jet exhaust fumes and gases being pumped out of jet engines against background of windfarm
Getty Images
Dandruff washed away by the shampoo
Cross section of skin with hair. 3D Computer animation. Focus on the hair. Dandruff washed away by the shampoo
Getty Images
Dermatology. Structure of the hair. Demo
Cross section of skin with hair. 3D Computer animation. Focus on the hair.
Getty Images
Abstract shift
On this background convenient to change the name, attaches letters or words.
Getty Images
Dermatology. Structure of the hair. Demo
Cross section of skin with hair. 3D Computer animation. Focus on the hair.
Getty Images
High Speed - MS Ice cube falling into glass of iced tea, white background
High Speed - MS Ice cube falling into glass of iced tea, white background
Getty Images
In mid January 2015, a three day period of excessive rain brought unprecedented floods to the small poor African country of Malawi. It displaced nearly quarter of a million people, devastated 64,000 hectares of land, and killed several hundred people. This
In mid January 2015, a three day period of excessive rain brought unprecedented floods to the small poor African country of Malawi. It displaced nearly quarter of a million people, devastated 64,000 hectares of land, and killed several...