cosine and the European Space Agency (ESA) have signed the next stage of the development contract regarding Silicon Pore Optics (SPO) X-ray mirrors for the Athena mission. This step aims to further ...

Gamma-ray bursts (GRBs) are among the most powerful explosions in the universe, second only to the Big Bang. The majority of these bursts are observed to flash and fade within a few seconds to minutes ...