It was a remnant of the World Trade Center's North Tower, a 17-foot-high cross-section of steel I-beams that had plummeted into the shell of an adjacent office building two days earlier. It was ...

Instead, as the 10th anniversary of the attacks nears, the “World Trade Cross” continues to occupy a central if controversial place at Ground Zero.

Numerical values of (n,g) cross sections are available for a total of 739 targets for the elements H (Z=1, A=1) to Cm (Z=96, A=248) totaling 972 reactions. Plots of the pointwise data and comparisons ...