In September 2015, a vibration lasting just one-fifth of a second changed the history of physics. It was the first direct detection of gravitational waves — perturbations in the geometry of space-time ...
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Understanding waves from sound to space
From vibrating strings to plasma waves in space, frequency and wave behavior influence phenomena all around us. Scientists, educators, and citizen volunteers are exploring how wave speed, wavelength, ...
Invisible infrared waves are emitted by IR LEDs and detected by photodiodes to enable devices like remotes, automatic washbasins to function; this ‘magic’ is actually optics and condensed matter ...
Researchers at Santa Clara University have developed a comprehensive mathematical framework to rigorously analyze and predict the behavior of terahertz (THz) radiation pulses when transported over ...
Until recently, gravitational waves could have been a figment of Einstein’s imagination. Before they were detected, these ripples in spacetime existed only in the physicist’s general theory of ...
A team of researchers have extended Berry’s well-known geometric-dynamic decomposition from the wave-evolution phase to a distinct class of wave scattering problems Wave scattering events can now be ...
A stellar explosion with subtle hints of a black hole binary in the background. (Courtesy: Carl Knox, OzGrav – Swinburne ...
"This is one more example of how the everyday ordinary world is full of wonders, if we only choose to see carefully." ...
A sound wave is a vibration that travels through a solid, liquid or gas such as the air or water. A loud sound has a large amplitude, a high pitched sound has a high frequency. Musicians and ...
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