"Jet fuel can't melt steel beams" is one of the most widely known arguments that 9/11 was an inside job. It's also one of the dumbest. This metalworker at purgatoryironworks was getting sick of ...

There is one conspiracy, however, that tops them all: that burning jet fuel would not be hot enough to melt the buildings' steel beams. Until, perhaps, now. Georgia blacksmith Trenton Tye is tired of ...

Additive manufacturing is a key technology for industry that allows building structures by progressive addition of material, with complex geometries. One of the main techniques is the laser beam ...