The Doppler shift of sound or light waves from a moving source is familiar to physicists and non-physicists alike. Now, researchers in China and Australia have seen the more exotic inverse Doppler ...
Figure 1: Illustration of the rotational Doppler effect in the linear and nonlinear optical regime. Compared with the rapid development and applications of the rotational Doppler effect in linear ...
At the time of its construction in the 1950s, the Dwingeloo Radio Observatory was the largest rotatable telescope in the world with a dish diameter of 25 meters. It was quickly overtaken in the ...
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