Microsoft makes a bold statement for the future of PCs with Windows 8, but that learning curve won't be an easy climb for many.

This video explains the role of normal force in forces of constraint, shedding light on how it affects the motion of objects ...

In this video, we walk through the process of calculating the coefficient of friction and the force required to move a block. Using clear examples and step-by-step explanations, you'll gain a solid ...

A comprehensive overview of personal fall arrest systems and the life-threatening reality of suspension trauma.

'A war to end all wars' The First World War was the first truly global conflict – the battle raged not just in the trenches of the Western Front but in Africa, the Middle East and Asia. Huge armies ...