This story is a supplement to the feature "Using Causality to Solve the Puzzle of Quantum Spacetime" which was printed in the July 2008 issue of Scientific American. A Whole New Dimension to Space In ...

'Time is not a line but a dimension, like the dimensions of space.' 1. Metaphorical interpretation of the first line: This line introduces the idea that time is not a linear progression but rather a ...

One of the challenges facing precision manufacturers and their medical device manufacturing partners is the increasing feature complexity of tight-tolerance parts. These complex geometries can result ...