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

Spacetime

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Physics

Spacetime isn't actually smooth; at the quantum level, it's believed to be "foamy" and incredibly turbulent. 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

Light

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Physics

Light from the sun takes about 8 minutes to reach Earth. 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

Fields

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Physics

The Fields Medal, one of the highest honors in mathematics, is awarded every four years and is limited to mathematicians under 40 years old. elaborate share