Snow won't arrive in the state until around midnight, and that will be in far southwestern Indiana. It spreads east and ...

Standard Doppler analysis estimates signal distortions by assuming that all objects in the ... We characterize the dependence of the spectrum on curvature, torsion, and the relative direction of wave ...

Doppler radars derive their name due to the method with which they measure the velocities. The Doppler Effect was proposed by Christian Andreas Doppler in 1842, and states that the frequency of a wave ...

New research introduces a metasurface-based method to generate and control terahertz vector light fields on-chip ... These engineered surfaces enable extraordinary optical effects, including anomalous ...

Some 40 years earlier in 1842 the Austrian physicist Christian Doppler had discovered what is now called the Doppler effect. This is the theory that sound waves will change in pitch when there is a ...

Around 13.7 billion years ago, something collapsed. It fell outward into the nothingness that stretched in every direction, ...

If a star orbits a black hole, it will appear from a distance to be orbiting empty space. Gaia projects the star’s orbit on a ...

The Doppler effect is a change in wavelength ... the frequency of the wave received differs from that, which is transmitted. This difference is known as the Doppler shift, named after the Austrian ...

INDIANAPOLIS — It is going to be a cold and snowy week for central Indiana. Allow extra travel time during the morning drives ...

By developing a tunable hybrid-cavity design, and measuring and modeling its complex sets of allowed modes, the physicists can switch between nodes and maxima of the light waves exactly at the ...