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" ... A mosquito’s antenna detects the speed of air particles, and would therefore provide information about the direction the sound is coming from. Given that sound propagates in air at 344 meters per second, they explain, “the location of a human speaker would be betrayed almost instantly and at a distance.” ... "
" ... One of those effects is this: when light propagates through a vacuum, if space is perfectly empty, it should move through that space unimpeded: without bending, slowing, or breaking into multiple wavelengths. Applying an external magnetic field doesn't change this, as photons, with their oscillatory electric and magnetic fields, don't bend in a magnetic field. Even when your space is filled with particle/antiparticle pairs, this effect doesn't change. But if you apply a strong magnetic field to a space filled with particle/antiparticle pairs, suddenly a real, observable effect arises. ... "
" ... The 2020 Chinese consumer is fully digital. While Covid-19 has started to shift spending habits for consumers in their 20s and 30s, young consumers spend a significant amount of time eating out, buying the newest products, and engaging in meaningful travel experiences. And technology propagates these trends; trends which we have studied alongside Daniel Shaprio (Professor of Global Business Strategy at Simon Fraser University, Beedie School of Business) and Katie Nunner (Senior Consultant at Crowell & Moring International). ... "
" ... This conception of gravity leads to a radically different set of equations from Newton’s, and instead predicts that gravity not only propagates at a finite speed, but that speed — the speed of gravity — must be exactly equal to the speed of light. If you were to suddenly “wink” the Sun out of existence, that spacetime fabric would “snap” back to flat the same way a rock falling into a pool of water would cause the water’s surface to snap back. It would come to equilibrium, but the changes in the surface would come in ripples or waves, and they would only propagate at a finite speed: the speed of light. ... "
" ... With every moment that passes, no matter what is going on around us, we find ourselves traveling into the future. Light propagates in the direction it was moving at the speed of light, moving the appropriate distance for any given amount of time, regardless of what else is going on. At no point, and under no circumstances, does time ever appear to either stand still or reverse. ... "