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The universe’s speed limit exposed and why even light is trapped
The universe comes with a built‑in speed cap, a hard limit that shapes everything from how stars shine to how cause and effect unfold. That limit is usually described as the speed of light, yet the ...
Scientists pushed photons across the universe to test the speed of light—and found Einstein’s cosmic speed limit still holds ...
Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The Vienna team stitched ...
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