Longtime NHL executive Ray Shero, the general manager of the Pittsburgh Penguins when they won the Stanley Cup in 2009, has died. He was 62. The Minnesota Wild announced Shero’s death Wednesday. A ...

Abstract: X-ray flat surfaces utilized in most advanced light sources have posed challenges to achieving form accuracy of peak-to-valley (PV) 2 nm, root mean square ...

Abstract: X-ray flat surfaces utilized in most advanced light sources have posed challenges to achieve form accuracy of PV 2 nm, RMS 0.2 nm and RMS 50 nrad ...

It tracks the sun in two axes using concave and convex mirrors. The daylight is beamed through ... Loisos + Ubbelodhe used photometrically accurate Radiance ray-tracing software and created high ...