We are fascinated by the hybrid rocket engine which [Ben Krasnow] built and tested in his shop. It is actually using a hollow cylinder of acrylic as the fuel, with gaseous oxygen as an oxidizer.

Relativity Networks, an Orlando-based startup focused on hollow-core fibers (HCF) developed at the nearby College of Optics and Photonics at the University of Central Florida (CREOL), says it has ...

The company, founded by Jason Eichenholz, specializes in providing fiber, including hollow-core fiber, for its clients. The funding was provided by a group of private investors. Eichenholz has ...