Abstract: This letter is the first part of a three-part tutorial on orthogonal time frequency space (OTFS) modulation, which is a promising candidate waveform for future wireless networks. This letter ...

China lays foundation for cislunar infrastructure with spacecraft in novel lunar orbits China has sent several small ...

The Level-4 (L4) carbon product (SPL4CMDL) provides global gridded daily estimates of net ecosystem carbon (CO2) exchange derived using a satellite data based terrestrial carbon flux model informed by ...

Enhanced an attribute in the legend_carbon_model_bitflag data field to include descriptions of the bit values. The Level-4 (L4) carbon product (SPL4CMDL) provides global gridded daily estimates of net ...

A cage implant provides stability for functional spinal units; however, this is accomplished with rods and plates that require additional penetration and space in vertebrae ... were chosen to best ...

Abstract: A digital twin is a digital model of a real entity, the physical twin (such as an object, a process, or a complex aggregation). It is both a digital shadow reflecting the status/operation of ...

As Artificial Intelligence (AI) technologies evolve, they hold immense potential for transforming space operations. However, there are significant challenges for both Earth-based and onboard AI ...

SpaceX is currently the only US company able to take crews to and from the International Space Station. This feud stemming from Musk. of the president's big beautiful bill that's now in the Senate ...