Pilot overhead poses a significant challenge in mmWave massive multiple-input multiple-output (MIMO) systems, as it fundamentally limits the accurate acquisition of channel state information (CSI). In ...

Three people from Florida were taken to the hospital after falling into water at Glacier National Park while taking a photo. Rangers at the Montana park said they received several satellite SOS ...

Channel estimation plays an important role in underwater acoustic communications, with applications in phase-coherent modulation schemes and preparation of repl ...

Water is the magic elixir sustaining wildlife, and at the halfway mark of 2025, record rainfall has invigorated South Texas ...

The Taam Ja’ blue hole is located just off the southeastern coast of Mexico. It was once believed to be the second deepest oceanic hole of its kind in the world, but now new measurements reveal ...

The lighthouse’s location on the southern end of Gasparilla Island places it in one of Florida’s most picturesque settings. Boca Grande itself feels like a secret – a barrier island that’s managed to ...

In this jaw-dropping build, we create a fully hidden underwater house with a concealed underground pathway leading straight to it. Built entirely by hand using primitive tools, this structure ...

For the Caterpillar fan who wants to step up for the company’s 100th anniversary, three new boots commemorate famous projects involving Cat equipment.

Border Patrol agents uncovered a sophisticated narcotics smuggling tunnel connecting Tijuana and San Diego, featuring electrical and ventilation systems.

Thoughts are turning towards a long-term maintenance facility for cross-Channel trains, after the Office of Rail and Road (ORR) published the next steps of the process to decide if a second operator ...