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

Dimensions

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Physics

String theory proposes the existence of up to 11 dimensions, most of which are curled up and invisible to us. elaborate share

Energy

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Physics

The energy contained in a single lightning bolt could power a 100-watt lightbulb for over three months. 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

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

Thermodynamics

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Physics

The efficiency of a heat engine is fundamentally limited by the temperatures at which it operates; you can never completely convert heat into work. elaborate share