Stringtheory

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Physics

String theory requires more than the usual three spatial dimensions and one time dimension; it posits the existence of extra, curled-up spatial dimensions unseen at macroscopic scales. elaborate share

Retrocausality

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Physics

Retrocausality, if true, could mean that future events could influence the past, potentially explaining some quantum entanglement phenomena. elaborate share

Spectra

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Physics

Spectra, in the context of physics and chemistry, are often unique "fingerprints" for substances. No two substances have exactly the same spectral signature. elaborate share

Matter

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Physics

Most of the matter in the universe is dark matter, which we can't see or directly interact with. elaborate share

Cosmology

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Physics

The observable universe is only a tiny fraction of the entire universe, which may be infinitely large. elaborate share

Waves

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Physics

Waves can be found not just in water, but also in light, sound, and even earthquakes. elaborate share