Unmanned aerial vehicle (UAV) targets are characterized by slow speed, low flying altitude, and small radar cross section, which provides them with great stealth properties. In the urban low-altitude ...

To characterize long-range cross-correlation in nonstationary bi-variate time series, we propose the higherorder detrending moving-average cross-correlation analysis (DMCA) in which the Savitzky-Golay ...

A method for practical area upscaling of nanopatterning for light-harvesting and photocatalytic applications is presented. Large area electron beam lithography is used to design patterns of ...

Add a description, image, and links to the physical-geography topic page so that developers can more easily learn about it ...

Qalitex urges brands to rethink how gummies and stick packs are validated, highlighting stability issues missed by standard testing protocols. What works for capsules doesn’t always work for ...

Explore how geography, in particular the sea, shaped ancient Greece's agricultural practices, approach to trade and warfare, and colonial expansion.

Aerobic exercise, also known as cardio exercise, involves physical activity that raises your heart rate, strengthens your heart muscle, improves your lung function, and increases circulation and ...

We report measurements on the electrical double layer at a gold electrode in several electrolytes. In the experiments, the Debye layer transmits a damped voltage wave along the electrode, which we use ...