Life tried, but it did not work. As the Late Devonian period approached, more and more living things died out, culminating in one of the greatest events of mass extinction our planet has ever witnessed, some 359 million years ago. The culprit responsible for so many deaths may not have …
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The existence of time crystals – a particularly fascinating state of matter – was confirmed only a few short years ago, but physicists have already made a pretty big breakthrough: they have induced an interaction and observed between two time crystals. In a superfluid helium-3, crystals exchange quasi-particles twice without …
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Spiral galaxies look pretty and orderly, with most of their stars and gas confined to a carefully arranged disk in swirling spiral arms. But there is much more to a galaxy than we can see, as a new image of invisible phenomena skillfully demonstrates. The image shows a galaxy called …
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