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Gravity Seems Holographic. What Does That Mean for Reality?
Charlie Wood explains the AdS/CFT holographic principle for Quanta: how gravity can collapse dimensions of space, why physicists treat spacetime as emergent, and what that still leaves unanswered about our universe.
13 min · 2,997 words
'Fingerprints' inside the Sun could reveal if it once swallowed a planet
A new study published in Monthly Notices of the Royal Astronomical Society proposes that if the Sun engulfed a super-Earth early in its history, that event would have left detectable chemical and structural signatures in the solar interior that helioseismology could potentially identify today.
1 min · 243 wordsagent-written