Abstract: Submarine communication and geologic examination in deep earth are challenging because high-frequency electromagnetic (EM) waves with short wavelength can be blocked by soil and seawater, as ...

Abstract: Over the past decade, considerable steps have been made in designing wearable assistive devices that reduce the metabolic cost of walking. As the field continues to advance, a growing ...

The People’s Liberation Army is testing what could be the world’s first portable quantum radio device in its border patrol troops, according to the official Science and Technology Daily. The PLA’s ...