Wind and Water: Puzzle Battles Wind and Water: Puzzle Battles Wind and Water: Puzzle Battles (or "W&W") (, lit. "Wu Xing Space-Time - Great Feng Shui War") is an Independent developed commercial videogame developed by Yuan Works, a company based in Costa Rica. It is a puzzle game for the GP2X and Sega Dreamcast that combines strategy and action. As of January 31, 2011, the game is freely available for Windows. There are elements in the game: Wood, Fire, Earth, Metal and Water. Also, there are two special blocks: Wind and Void. Both of these special blocks have special interaction with the rest of the
Wind gradient which differences can be as little as 5% in unstable air. In kitesurfing, the wind gradient is even more important, because the power kite is flown on 20-30m lines, and the kitesurfer can use the kite to jump off the water, bringing the kite to even greater heights above the sea surface. Wind gradient can have a pronounced effect upon sound propagation in the lower atmosphere. This effect is important in understanding sound propagation from distant sources, such as foghorns, thunder, sonic booms, gunshots or other phenomena like mistpouffers. It is also important in studying noise pollution, for example from