In 2006, Boeing proposed the F-15 “Global Strike Eagle,” a rocket-carrying variant that could air-launch small satellites or hypersonic payloads. -The concept mounted a 45-foot, three-stage ...

The art of blacksmithing is in the details. This guide shows you how to twist hot angle iron to create a beautiful and strong decorative piece for your projects.

Abstract: We analyze the cascaded pulse compression performance in the silicon waveguide with the sidewall angles from 90° to 70° at 2 μm, where the compression factor declines from 32.17 to 14.47.

The 80 degree range of motion is an improvement over the 60 degree range of motion previously available for the 1P Pioneer tracker. Image: FTC Solar. US tracker manufacturer FTC Solar has launched an ...

After spending most of his life bent over at a 180-degree angle, a young man has stood up straight for the first time. Jiang Yanchen, from China's Shandong province, suffers from a rare a severe form ...

Shape Tools is a collection of geodesic tools that are installed in the Vector menu, on the toolbar, in the field calculator, or in the Processing Toolbox. Geodesic is the shortest path between two ...

Abstract: Experimental land mobile satellite (LMS) propagation data have been processed in order to characterise the behaviour of this channel under narrow-band transmission conditions for different ...