For example, lightweight construction and Jacobs bogies save weight, and a lighter train uses less power.

The twinkling jewels, and the gold etwee, With all its bright inhabitants

Here we study the process of shadowgraphic image formation during the propagation of a few cycle probe pulse transversely through a laser-driven wake using three-dimensional particle-in-cell simulations.

For example, use of paralytics in morbidly obese patients or those with spinal instability can precipitate complete upper airway obstruction.