DAMA/LIBRA: The Dark Matter Signal No One Else Can See Dark matter is one of the universe's biggest mysteries. We can’t see it, touch it, or measure it directly — but without it, galaxies wouldn’t hold together. Physicists around the world are racing to detect this elusive substance. And one experiment buried deep beneath Italy’s Apennine Mountains says it already has. For over two decades, the DAMA/LIBRA experiment has reported a consistent signal that it claims could be the first direct evidence of dark matter. The problem? No one else can see it. The Invisible Majority Let’s rewind for a moment. Everything we can see—planets, stars, gas, and dust—makes up less than 5% of the universe. About 27% is thought to be dark matter , an invisible substance that doesn't emit or reflect light but exerts a powerful gravitational pull. It's what keeps galaxies spinning faster than gravity from visible matter alone can explain. But detecting dark matter is no easy task. If it’s...
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