Abstract: Wavefield measurements by a scanning laser Doppler vibrometer (LDV) are generally carried out in a Cartesian coordinate. As a piezoelectric transducer generates Lamb waves following radial ...

Simplify complex physics and math concepts with this easy guide to Lagrange multipliers! In this video, we explain how to calculate constraint forces in polar coordinates using step-by-step examples ...

Don't put away that winter jacket just yet. The polar vortex is expected to be impacted by a sudden warmup of the stratosphere, which will bring freezing temperatures to the Northeast this weekend and ...

For the time being, the bears are adapting to warming temperatures and a changing habitat Ruzdi Ekenheim via Getty Images Arctic temperatures are rising nearly four times faster than those in the rest ...

For new readers, here’s a brief overview. The Polar Vortex is a large scale winter circulation over the Northern Hemisphere. Imagine it as a spinning wall of wind above the polar regions, stretching ...

Watch: The BBC's Victoria Gill looks at why are these Norwegian polar bears getting fatter Scientists expected the opposite, but polar bears in the Norwegian Arctic archipelago of Svalbard have become ...

Scientists expected the opposite, but polar bears in the Norwegian Arctic archipelago of Svalbard have become fatter and healthier since the early 1990s, all while sea ice has steadily declined due to ...

Vanessa is a lead writer at CNET, reviewing and writing about the latest smartwatches and fitness trackers. She joined the brand first as an on-camera reporter for CNET's Spanish-language site, then ...

(A) Experimental setup including an EEG cap with 32 electrodes, a monitor, a handle with an AprilTag, and a camera for location recording. The content displayed on the monitor includes a circular ...

A snowstorm and harsh winter weather have impacted at least 177 million people across the US, with several Northeastern and Mid-Atlantic states under watches or warnings for ice and snow. More than ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all scientists agree. By Eric Niiler The polar vortex is a ribbon of ...

4:47 Polar vortex: What you can do to protect yourself from the extreme cold Extreme cold winter conditions are expected to trap the majority of the country in a bitter weather phenomenon known as a ...