The unmanned Spectrum rocket, an orbital rocket developed by German start-up Isar Aerospace, started smoking from its sides and then crashed back to Earth with a powerful explosion after launching ...

An Orbital Carrier would preposition small maneuverable spacecraft to respond to threats. Credit: Gravitics Gravitics of Seattle has won a strategic funding increase (Stratfi) from SpaceWERX to ...

Materials Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, 3584 CG Utrecht, The Netherlands ...

Materials Science and Engineering Program & Walker Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States ...

Increasing access to energy is pivotal to fulfilling humanity’s basic needs and enabling sustainable development. Yet the pace of progress has slowed, putting the 733 million people who still lack ...

This program is useful for visualizing approximations of energy band diagrams, and performing back-of-the-envelope calculations of their important parameters. Energy bands can be modeled at varying ...