A new optical device allows researchers to generate and switch between two stable, donut-shaped light patterns called skyrmions. These light vortices hold their shape even when disturbed, making them ...

The Facet FP is built around the standard RTK workflow: a receiver tracks signals from multiple GNSS constellations and bands, then uses correction data to refine its position solution in real time.

Former NRA lobbyist discusses bridging America's stark divide on gun reforms Gun policy continues to be a challenging issue to tackle, even though polling shows Americans of all stripes want something ...