Handing over European service module for Artemis II

Yesterday, ESA formally gave possession of the second European Service Module to NASA for the Artemis II mission that will see four astronauts circle our moon and return to Earth.

Optically controlled metasurfaces for dynamic dual-mode modulation

Dynamic control of terahertz (THz) waves at will with an ultra-compact device is important for THz technologies in biomedical imaging, telecommunications, detection, and beyond. However, tunable THz devices made of conventional ...

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