One of the most dangerous wave in ocean the Square Waves. These are also known as cross-sea or grid waves. If you see them, get out of the water. Though rare, they are associated with strong and powerful rip tides. | Steve Knight CBS 21 News

562 reactions · 132 shares | Square Wave, a beautiful Kinetic art piece, but also a relaxing & rhythmic fidget toy. 100% handmade in Italy and designed by award winning artist Ivan Black. | Square Wave | Facebook

126K views | Reel by Square Wave

Square Wave Horizon https://www.physicsfunshop.com/search?keywords=square wave A second incarnation of Ivan Black’s Square Wave interactive kinetic sculpture- in this version 20 interlocking right angle metal rods are mounted horizontally with accompanying base and grips at each end which allows one to rotate the structure to and fro. Waves propagate, folding the structure into a tight curl- and a reverse snap will bring it back to the initial flat square state. An important design feature is th