2016
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17 ore fa · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...
17 ore fa · At the launch of Labour's "battle bus", Sir Keir Starmer said a vote for his party was a vote for "change and hope". The Tories are also launching their campaign bus - as a new poll suggests they ...
17 ore fa · For other uses, see Wave (disambiguation). Surface waves in water showing water ripples. In physics, mathematics, engineering, and related fields, a wave is a propagating dynamic disturbance (change from equilibrium) of one or more quantities. Periodic waves oscillate repeatedly about an equilibrium (resting) value at some frequency.
