Remember that more people live better in the world today because of America, its ideas, its inventions and its heart.

At Newgrange, on the winter solstice, we knew the light would be faintly visible underground, and we cheered with triumph, ...

For years, robotic laser-arc hybrid welding in narrow gaps has been a bottleneck for high-efficiency fabrication, limited by the difficulty of maintaining stability in tight tolerances. However, ...