Dark matter, though invisible, weaves a vast cosmic web that binds galaxies together. For the first time, astronomers have captured a sharp image of one of these filaments, stretching 3 million ...
It's advanced stuff, but I wanted to show you my favorite glow-in-the-dark filament, which is fun to print with. Amolen PLA Filament Glow-in-the-Dark Multicolor PLA Glow-in-the-dark filament ...
Galaxies don't float around at random. They line up along strands of cosmic filaments, sometimes stretching millions of light ...
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