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

Time

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Physics

There's no single, universally agreed-upon "beginning" of time. Our current understanding of physics suggests a point called the Big Bang, but what, if anything, came before it remains a mystery. elaborate share

Tides

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Physics

Tides can actually affect the Earth's rotation, slowing it down very, very slightly over incredibly long periods. 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

Terahertz Technology

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Physics

Terahertz radiation can penetrate many non-metallic materials like clothing and packaging, making it useful for security screening but also potentially for medical imaging. elaborate share

Time Travel

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Physics

The grandfather paradox, a classic time travel conundrum, is actually a plot device more than a scientifically sound problem, as it assumes a fixed, linear timeline that might not exist in theoretical models of time travel. elaborate share