They discovered that, by shifting the "phase" of light so that the peaks of one wave line up with the valleys of an adjacentwave, the two waves cancel each other out, creating "shadows" between waves that are smaller than the waves themselves(see chart).
They discovered that by shifting the "phase" of light so that the peaks of one wave line up with the valleys of an adjacent one, the two cancel each other, creating "shadows" between waves that are smaller than the waves themselves(see diagram, p. 141).
Baptised Caribe Wave 2011, the exercise tested the Tsunami and Other Coastal Hazards Warning System for the Caribbean and Adjacent Regions (Caribe EWS).