Sketchplanations
Big Ideas Little Pictures

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Explaining the world one sketch at a time

Who cut down the last tree illustration: 300 years ago we see someone cutting down a tree with an axe in a large dense forest. 100 years ago we see someone cutting down a tree in a now much more sparse forest. Today, there's only a small sapling left, and someone just snapped a branch off it. So what next?

Who cut down the last tree?

If you lived on Easter Island, would you really cut down the last mighty tree knowing that would be it? It seems either foolhardy or desperate to knowingly cut down the last of a kind and your last source of timber. So how could it happen? Easter's End Jared Diamond, in his book Collapse and article Easter’s End, explains how this situation could happen through a gradual, hardly noticeable decline over many years. Those who remembered the great trees that they used to make rafts, canoes, and ships were old or had long since died. Today's trees may be nothing like the forests and towering trunks of tens or hundreds of years ago. As Jared puts it: "Gradually trees became fewer, smaller, and less important. By the time the last fruit-bearing adult palm tree was cut, palms had long since ceased to be of economic significance. That left only smaller and smaller palm saplings to clear each year, along with other bushes and treelets. No one would have noticed the felling of the last small palm." An alternative Easter Island history More recently, I read Rutger Bregman's story of Easter Island in his book Human Kind: A Hopeful History. In the chapter "The Mystery of Easter Island," he digs into the reconstruction provided by Diamond and others and questions whether the Easter Islanders really were reduced, after losing their trees, to infighting and destitution. Bregman found evidence to suggest that rather than driving themselves to the brink of extinction, the Easter Islanders were likely still thriving when Peruvian slave traders arrived in 1862, and sixteen slave ships carried off a third of the island's population, 1,407 people. Yet the worst for them was still to come a year later when the government was pressured to return the islanders home. A smallpox outbreak carried by the returning islanders wreaked devastation during the voyage, with hundreds dying at sea. The 15 islanders who made it home carried the virus with them, and it spread to the inhabitants who remained. He cites that the population was reduced to just 110 inhabitants in 1877 when the epidemic finally subsided. Until the arrival of the slave ships, the population, despite their trials, was still thriving. Bregman suggests that it was, in fact, contact with the rest of the world that destroyed Easter Island. For another thought-provoking perspective, Seth Godin asks who cut down the second-to-last-tree?
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What is The Doppler effect example showing how a wave changes from a static source and gets either bunched up or spread out if you're standing in front of or behind a moving source like a siren

The Doppler Effect

The Doppler effect is the change in frequency of a wave as its source moves relative to the observer. The same effect that causes a siren's pitch to change as it drives past is also used to estimate blood flow with ultrasound, measure the speed of a passing car, and even determine the motion of the stars. Doppler shift-based satellite navigation was also the first operational use of a system that eventually led to GPS. When a siren or similar sounds approach, I try to imagine the crunching of the sound waves—the vehicle seemingly chasing after its own sound—and the stretching out of the waves as it heads past and into the distance. At least it makes it less painful on the ears. Here's an excerpt from my Dad's book, Einstein's Mirror, in a fascinating chapter discussing the speed of light: "In 1845 in Utrecht, a troupe of trumpeters played their instruments while being transported by a train. Another group of musicians arrayed alongside the railway track were paid to listen carefully as the train and the trumpeters went by. This seemingly bizarre experiment was the invention of the Austrian physicist Johann Christian Doppler. Most readers will have noticed the drop in pitch of a whistle as a train goes by, or of a siren as an ambulance or police car passes. It was precisely this same change in pitch with motion that Doppler was investigating with his entertaining train and trumpet experiment." A polished version of this sketch appears in my book Big Ideas Little Pictures
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Apophenia example: two hikers look up into the sky with surprise to see a cloud in the form of Godzilla!

Apophenia

Apophenia is finding meaning and connections in unrelated things. This might be faces in pieces of toast, or the man in the moon, or clouds making incredible shapes. Seeking patterns and meaning in random data is something we seem naturally inclined to do. Also see: narrative bias — how stories feel better than randomness. Other sketches explaining clouds
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Ordering adjectives in English example - opinion, size, age, shape / colour, origin, material, purpose

Ordering adjectives

How do we order our adjectives when speaking English? Remarkably, when we describe a noun, we almost always unconsciously arrange adjectives in this order: opinion, size, age, shape, colour, origin, material, and purpose. If you try mixing them up in a different order, it just doesn’t sound right. Compare, for example, a super little Italian coffee to an Italian little super coffee. Or, as Mark Forsyth points out in The Elements of Eloquence: How to turn the perfect English phrase, you can have a great green dragon, but not a green great one. Related Ideas to Ordering Adjectives in English Also see: Ablaut reduplication — zig, zag Anadiplosis Pleonasm Ghoti
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What are the 5 Ways to Wellbeing poster: in a busy park scene the 5 ways to wellbeing are depicted as families and friends come together to socialise and interact with their surroundings to Connect, Be Active, Take Notice, Keep Learning and Give.

5 Ways to Wellbeing

The five ways to wellbeing are five simple, evidence-based ways to improve mental capital and mental wellbeing throughout life. What are the 5 ways to wellbeing? Developed by the New Economics Foundation, the 5 ways to wellbeing are: Connect With the people around you. With family, friends, colleagues and neighbours. At home, work, school or in your local community. Think of these as the cornerstones of your life and invest time in developing them. Building these connections will support and enrich you every day. Be active Go for a walk or run. Step outside. Cycle. Play a game. Garden. Dance. Exercising makes you feel good. Most importantly, discover a physical activity you enjoy and that suits your level of mobility and fitness. Take notice Be curious. Catch sight of the beautiful. Remark on the unusual. Notice the changing seasons. Savour the moment, whether you are walking to work, eating lunch or talking to friends. Be aware of the world around you and what you are feeling. Reflecting on your experiences will help you appreciate what matters to you. Keep learning Try something new. Rediscover an old interest. Sign up for that course. Take on a different responsibility at work. Fix a bike. Learn to play an instrument or how to cook your favourite food. Set a challenge you will enjoy achieving. Learning new things will make you more confident as well as being fun. Give Do something nice for a friend, or a stranger. Thank someone. Smile. Volunteer your time. Join a community group. Look out, as well as in. Seeing yourself, and your happiness, linked to the wider community can be incredibly rewarding and creates connections with the people around you. What Works Wellbeing has a neat post on how the UK compares to other European countries on the 5 ways to wellbeing and how they are affected by age, gender and other factors: 5 ways to wellbeing in the UK. Curious? Evidence for the 5 ways from the New Economics Foundation (pdf). Also, in doing this sketch, it’s quite clear that parks are awesome for wellbeing. Related Ideas to The 5 Ways to Wellbeing Also see: Forest bathing The 3-Day effect If this isn't nice, I don't know what is If money doesn't make you happy, you're not spending it right Languishing
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Continuous partial attention illustration: A family spill the dinner and miss what's said while a baby paints the floor and another child has to go to yoga for some focus to remain in the present

Continuous partial attention

Continuous partial attention describes the state many of us find ourselves in as we try to stay connected to all the different areas of life that are now possible — as a result, we pay only partial attention to anything. The accompanying stress or tension and, sometimes, decrease in relationship quality may contribute towards our increasing desire and awareness for the opposite: the wholly disconnected times of meditation, yoga, forest bathing, time in the outdoors (the 3-day effect), and other activities that allow us to give our full engaged attention for our wellbeing once more. Continuous partial attention was coined by Linda Stone. Also see: phubbing
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