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Water: ideas and frameworks explained

A collection of ideas, frameworks and techniques related to Water, explained clearly so they are easy to understand and share.

How canal works to allow a boat to travel uphillCanal LocksBuoyancy and how ships float explained showing 1m3 of water displaced supporting a tonne of weight and the same principle floating a 50,000 tonne shipBuoyancyA map showing where Point Nemo lies - the furthest point from land with distances to the nearest land. This would be a long swimPoint Nemo: The Most Remote Place on Earth and the Spacecraft GraveyardSiphon illustration: how a siphon works draining a reservoir by running a water uphill, unaided, until it empties into a lower reservoir.SiphonThe two primary temperature scales of Celsius and Fahrenheit side-by-side calling out water freezing, body temperature and water boilingTemperature Scales: Fahrenheit and CelsiusDiagram of the states of matter showing a solid, liquid, and gas, showing all the transitions between each stateStates of matterSubmarine shower illustration: following these 3 simple steps, we can save water and energy by showering as if there was a very limited supply of water - like on a nuclear submarine. Firstly, the shower-goer wets their entire body using only 10 seconds of water. Secondly, the shower has been turned off for soap or shower gel to be applied and lathered up. Thirdly, the water is turned back on again for a thorough but quick rinsing - again only using 10 seconds worth of water. Job done. Little water used. Submarine showerThe Tragedy of the Commons illustration: a cross-section of land shows a shared source of underground water being heavily used by one with access to it, leaving very little for everyone else. The tragedy of the commonsThe Finger-dip Test illustration: a finger is pushed into the soil of a healthy, green houseplant down to around the first knuckle. Where the soil is found to be dry, the owner of said finger tops it up with water. Where the soil is found to be moist, they sit back and enjoy a good book in an armchair next to the plant. The finger-dip test to not overwater houseplantsWhat is Lake effect snow explained including the snow beltLake-effect snowKayak vs Canoe: what's the differenceKayak vs Canoe: What's the difference?Strahler Stream Order animation: what looks like the silhouette of a tree with branches but no leaves, is actually a plan view of a large river network. Starting at the outermost, narrowest parts, each time two tributaries of the same order merge together the order of river size increases until it flows out into the sea. Strahler stream order: Streams, rivers, the Amazon and how to organise them.What is an underwater moon pool explained example: showing how a moon pool works with a neat underwater base with divers entering the water underwater, like it was a poolMoon poolAn explanation of the plimsoll line, the international load line, for how high a ship sits in the waterThe Plimsoll lineOur bodies can absorb 1 cup of water in 15 minsWhy ice doesn’t sink

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