Here is a simple frequency doubler circuit that produces a square wave output with a precise 50 percent duty cycle. There are similar circuits in the literature [References 1, 2, 3] which require ...
A network of optical cavities could be used to detect gravitational waves (GWs) in an unexplored range of frequencies, ...
Pulsars suggest that ultra–low-frequency gravitational waves are rippling through the cosmos. The signal seen by ...
The very fabric of the universe is ringing with gravitational waves from its earliest epoch, and researchers have finally "heard" this cosmic symphony. On Thursday, June 28, the North American ...
Researchers have built a small but powerful detector to find gravitational waves in a hidden frequency range. The discovery could expose unseen black hole activity and early-universe echoes.
A new study has found high frequency propagating activity patterns in the motor cortex that contain details of upcoming movement -- information that could lead to the development of better ...
The world's most sensitive table-top interferometric system—a miniature version of miles-long gravitational-wave detectors like LIGO—has completed its first science run.
Scientists monitor how ripples in spacetime, most likely caused by the interaction of supermassive black holes, affect the timing of signals from pulsars. (Illustration by Aurore Simonnet for NANOGrav ...
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