But even the steel I-beam couldn’t push a building much beyond 20 stories. ... beams and angles, except for one thing: Grey’s beam could be rolled in one piece.

Transporting a large, irregularly shaped steel component down a narrow mine shaft into a cavern a mile underground at SURF is ...

But even the steel I-beam couldn’t be counted on to push buildings much taller than 20 stories. Going higher would require riveting beams and plates together and adding support angles.

Inside a cavernous steel fabrication shop in Lancaster, the new beams for the I-81 interchange are being created. The company making them, High Steel Structures, has been building bridge beams ...

A high-efficiency beam steering angle expander consisting of two liquid crystal polymeric diffractive optical elements is demonstrated. For an LiDAR (light detection and ranging) operating at 905 ...

Beam steering is an important factor in LIDAR, microscopy, telescopes, and optical wireless communications. In each of these areas, there is a need for a large sensing range using components with ...