20 results found for waves

Mark Hindmarch talks about our understanding of how we explain the immediate aftermath of the Big Bang.

How hot spots occur

An introduction to noise cancellation

Theory and evidence for gravity waves

Polarisation and its uses

The Doppler Effect and some examples

Abbie describes why bridges must be designed to counteract the effects of unwanted vibrations.

Basic research in science has greatly increased our understanding of nature, expanded frontiers of inquiry, shown us how little we know, triggered creative waves of invention and innovation, and prompted technological breakthroughs that were inconcei....

White light comprises colours in the visible spectrum. The electromagnetic spectrum. Speed of light. Young's experiment and waves. Quanta and photons.

Sound is produced in the larynx; filtering it in the vocal tract produces formants and phonemes. The acoustics, mechanics and some neurobiology of hearing. Pitch perception.

Reflecting waves gives standing waves, which can be resonances. Standing waves on strings and in pipes and plates.

Superposing waves with different frequencies gives beats and Tartini tones. Removing beats gives consonance. Tuning consonances gives temperament.