Perceptense
Perception+sense
Perception meets sense.

Topics

8 subjects · 50 modules
Chapter I

Numbers & Scale

Weight, size, time, money and the odds. The quantities everything else gets measured in.

8 modules
  1. 01 Weight & Mass How much things weigh, from paperclips to cars Numbers & Scale
  2. 05 Money & Economy Millions, billions, GDP, inflation, debt, and financial scale Numbers & Scale
  3. 07 Time & Scale Seconds to centuries, building time intuition Numbers & Scale
  4. 09 Size & Scale Atoms to galaxies, orders of magnitude Numbers & Scale
  5. 12 Probability & Risk Odds, chance, and how to think about risk Numbers & Scale
  6. 13 Percentages & Ratios Mental math tricks for everyday numbers Numbers & Scale
  7. 29 World Population & Demographics How many of us there are, how fast we are growing, and what the numbers mean Numbers & Scale
  8. 38 Crypto Blockchain, Bitcoin, DeFi, and the problems of decentralised finance Numbers & Scale
Chapter II

Earth & Space

Distance, speed, heat, weather and the planets. The physical world at human and cosmic scale.

5 modules
  1. 03 Geography & Distance Countries, oceans, and how far things are Earth & Space
  2. 08 Speed & Duration How fast things move and how long things take Earth & Space
  3. 11 Temperature From absolute zero to the surface of the Sun Earth & Space
  4. 25 Weather Fronts, clouds, pressure, and forecasting Earth & Space
  5. 26 Space & the Solar System Planets, distances, and cosmic scale Earth & Space
Chapter III

Science & Tech

Materials, chemistry, engineering, technology and physics. How things are made and why they work.

6 modules
  1. 06 Big Infrastructure Bridges, dams, airports, and mega-projects Science & Tech
  2. 14 Materials Steel, concrete, wood, what things are made of and why Science & Tech
  3. 15 Chemistry Functional groups, reactions, and molecular logic Science & Tech
  4. 16 Engineering Rules of Thumb Quick estimates for how things are built Science & Tech
  5. 37 Technology How computers work, how the internet runs, and what AI actually is Science & Tech
  6. 43 Physics The laws that govern reality, from falling apples to spacetime Science & Tech
Chapter IV

Body & Health

The body, food, sleep, fitness, sport and health. What keeps a person running.

7 modules
  1. 02 The Human Body Hair, vital signs, bones, senses, chromosomes, and the body in numbers Body & Health
  2. 04 Nutrition & Food Labels Calories, macronutrients, and how to read what is in your food Body & Health
  3. 22 Sleep Cycles, stages, hygiene, and circadian rhythms Body & Health
  4. 23 Sex, Gender & Orientation Biology, identity, and social constructs Body & Health
  5. 24 Fitness & Exercise Lifts, cardio, programming, and body mechanics Body & Health
  6. 41 Sports Why sport matters, how it works, and a deep dive into the world's game Body & Health
  7. 49 Health & Medicine The human body, what goes wrong, and how to make good health decisions Body & Health
Chapter V

Society & Systems

History, politics, diplomacy, law, media and money. The systems people build together.

7 modules
  1. 10 History Anchors A navigable map of the last 5,000 years Society & Systems
  2. 17 Politics Government systems, institutions, power, and political language Society & Systems
  3. 18 Diplomacy International organizations, treaties, and soft power Society & Systems
  4. 36 Management How organisations work, decisions get made, and what the MBA actually teaches Society & Systems
  5. 39 Law & Legal Systems How societies write rules, enforce them, resolve disputes, and turn conflict into procedure Society & Systems
  6. 44 Media How information is produced, packaged, sold, and believed Society & Systems
  7. 48 FIRE Finance, insurance, and real estate: industries that price and allocate capital Society & Systems
Chapter VI

Culture & Arts

Food, drink, fashion, art, books, music, film, games and faith. What people make and believe.

10 modules
  1. 19 Culinary Arts World cuisines, sauces, techniques, etiquette, and cooking science Culture & Arts
  2. 20 Drinks Spirits, cocktails, wine, beer, and coffee Culture & Arts
  3. 21 Fashion Fabrics, brands, dress codes, and style Culture & Arts
  4. 30 Art Movements, techniques, and visual literacy Culture & Arts
  5. 31 Literature Language, narrative, and the written word as art form Culture & Arts
  6. 32 Painting From pigment to meaning, the oldest and deepest visual art Culture & Arts
  7. 33 Music Sound, time, and the art of organised listening Culture & Arts
  8. 34 Cinema Moving images, time, and the grammar of film Culture & Arts
  9. 35 Game Interactivity, play, and why games define the 21st century Culture & Arts
  10. 45 Religions What religions are, why humans have them, and the major traditions Culture & Arts
Chapter VII

Mind & Meaning

Psychology, philosophy, language, fear and logic. How we think, and how to think better.

5 modules
  1. 27 Psychology Biases, memory, motivation, and mental models Mind & Meaning
  2. 28 Philosophy Ethics, logic, epistemology, and big questions Mind & Meaning
  3. 40 Language How language works, where it came from, and what it does to thought Mind & Meaning
  4. 46 Fear The biology, psychology, culture, and clinical shape of our oldest alarm system Mind & Meaning
  5. 47 Logic The rules of valid reasoning, formal systems, and the paradoxes that break them Mind & Meaning
Chapter VIII

Life & Environment

Animals, ecosystems and climate. Life on Earth and what keeps it going.

2 modules
  1. 42 Animals The diversity, biology, behaviour, and human relationship with the animal kingdom Life & Environment
  2. 50 Ecosystems, Climate & Sustainability Living systems, Earth's climate, human impacts, and sustainable futures Life & Environment