Human needs

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Legend

AU = Abundant / Universal elements (CHON + Si, Al, Fe, Ca, Mg, Na, K + S, P, Cl + Cu, Zn)

RS = Rare / Strategic elements (Cr, Ni, Ti, Mn, B, F, Li + Nd/Pr/Dy, Co, W, Ag, Au, Ga, As…)

Score: 0–5 (5 = critical, 0 = negligible)

Item (g1) AU (elements + score) RS (elements + score) Notes (one line)
Shelter Si,O,Al,Ca,Fe,Mg,C,H (5) Cr,Ni,Ti,B (3) Concrete/glass/ceramics + steel; alloys if available
Structured elementary particles (material structures) C,H,O,N,Si,Fe,Al (5) Ti,Cr,Ni,B (2) Robust structures without high tech
Clothes C,H,O,N,S (5) F,Ti (2) Fibers + treatments; F for high-performance membranes
Toilet Si,O,Al,Ca,Fe,C,H (5) Cr,Ni,Cu (3) Ceramics + plumbing; stainless steel preferred
Cleaner H,O,Na,Cl,C,S (5) F,P (2) Bases/salts/solvents; P for advanced detergents
Transportation Fe,Al,Si,C,O,Cu (5) Ni,Cr,Ti,Mn,Li (4) Alloys + wiring; Li for electric systems
Defense Fe,C,Al,Si (4) Ti,Cr,Ni,W (4) W useful for high density (rare)
Help (tools/basic care) Fe,C,H,O,N,Ca,Na,Cl (5) Cu,Zn,Ag (2) Hygiene + tools; Ag optional antimicrobial
Information transducer Si,O,Al,Fe,C,Cu (4) B,Ga (4) Sensors/actuators need dopants/semiconductors
Information processing Si,O,Al,C,Cu (4) B,P,As,Ga (5) Modern computing = doping + fine processes
Data storage (disks/books) C,H,O (paper), Fe (magnetic), Si,O (glass) (4) Co,Ni,Nd (4) High-end magnetic storage needs Co/Ni + Nd magnets
Information seeker (search engine) Si,Al,Cu,C (4) Li,Ni,Co,Nd (4) Compute + energy + interconnects
Information transmitter Cu,Al,Si,O (5) Ag,Au (2) Cu/Al + SiO2 fiber sufficient; nobles for reliability
Stimulants (broad sense) C,H,O,N,S,P (5) — (0) Organic chemistry + nutrition; rares add little
Leisure C,H,O,N,Si,Fe,Al (4) Cu,Li,Nd (2) Simple materials; electronics optional
Training C,H,O,N,Si (4) Cu,Li (2) Media + tools; electronics optional
Cutlery Fe,C (5) Cr,Ni (4) Stainless steel is a major practical upgrade
Mattress C,H,O,N (5) Si (1) Foams/latex/fibers; silicones optional
Table (furniture) C,H,O (wood/polymers) or Fe/Al or Si,O (glass) (5) Cr,Ni,Ti (1) Easily built with abundant elements
Chair C,H,O or Fe/Al (5) Ti,Cr (1) Same: abundants are sufficient


Rare/Strategic elements (RS) – where to source (countries)

Legend
  • AU = Abundant/Universal (easy)
  • RS = Rare/Strategic (hard / concentrated supply)
RS element Main use (why you care) Main sourcing countries (today)
Cr (Chromium) Stainless / corrosion resistance South Africa (dominant); Kazakhstan, India, Turkey (notable)
Ni (Nickel) Stainless + batteries Indonesia (dominant); Philippines, Russia, Canada, Australia, New Caledonia, Brazil
Ti (Titanium minerals: ilmenite/rutile) Light strong alloys, durable structures China; Mozambique; South Africa; Australia; Canada; India
Mn (Manganese) Steelmaking + some battery chemistries South Africa (largest); Gabon; Australia; China; India
B (Boron) Glass/ceramics; steel/glass modifiers Turkey (very large); USA; Argentina; Chile; Russia; China
F (Fluorspar → fluorochemicals) HF/fluoropolymers; batteries; refrigerants China (largest); Mexico; Mongolia; South Africa; Vietnam
Li (Lithium) Batteries / energy storage Australia; Chile; Argentina; China; Zimbabwe; Canada; Brazil
Co (Cobalt) Batteries / high-performance alloys DR Congo (mining dominant); Indonesia (growing); Russia, Australia, Philippines, Cuba (notable); refining largely China
W (Tungsten) High density + hardness (tools/defense) China (dominant); Vietnam; Russia; Rwanda; Spain; Austria; Bolivia; Portugal
Ga (Gallium) RF/power electronics (hard bottleneck) China (overwhelming); Japan, South Korea, Russia (secondary)
Nd/Pr/Dy (Rare earths for magnets) Motors/actuators/sensors; “high torque density” China (largest); Australia; USA; Myanmar (notable); processing often China-centric

Minimal RS subsets (pick what you build)

RS for “durable everyday civilization” (shelter + toilet + tools + transport)
  • Cr + Ni (stainless)
  • Ti (light/strong)
  • Mn (steel)
  • B (glass/steel modifier)
RS for “electronics-heavy” (processing + transducer + transmitter + seeker)
  • Ga (critical)
  • Nd/Pr/Dy (magnets)
  • Li (batteries)
  • Co (some chemistries)
  • (plus Cu from AU for wiring)
RS for “extreme density/hardness”
  • W


TOP WEBSITES (CATEGORY AWARE)

# https://en.wikipedia.org/wiki/List_of_most-visited_websites
Website Type
Google Search engine
YouTube Video sharing service
Facebook Social media
ChatGPT Chatbot
WhatsApp Instant messenger
Wikipedia Encyclopedia
Yahoo! Japan News
Amazon Marketplace
BET.br Online gambling
Microsoft 365 Software
Netflix Streaming service
Pornhub Pornography
Live Email
Twitch Livestreaming service
Samsung Consumer electronics
Weather Weather
Fandom Wiki hosting service
Stripchat Adult camming
Zoom Communications Computers Electronics and Technology - Other
The New York Times News & Media Publishers
ESPN Sports
Roblox Gaming and game development platform

Open Source trend


Scientific discoveries (after 1700) still indispensable today

Chronological list of scientific discoveries and breakthroughs made after 1700 that are still directly used in modern civilization (energy, health, industry, digital technologies, agriculture, communications).

18th century

  • 1712–1781Steam engine : foundation of thermal engines, turbines, and energy engineering.
  • 1796Vaccination : large-scale prevention of infectious diseases.
  • Late 18th centuryModern chemistry (conservation of matter, chemical nomenclature) : chemical industry, materials, analytical science.

19th century

  • 1800Electric battery : batteries, electrochemistry, energy storage.
  • 1824–1870Thermodynamics : engines, power plants, refrigeration, energy efficiency.
  • 1831–1860Electromagnetism : electricity generation and distribution, telecommunications.
  • 1846–1847Modern anesthesia : safe and scalable surgery.
  • 1850–1880Germ theory + asepsis : hygiene, drinking water, modern hospitals.
  • 1865Genetics : heredity, selection, biotechnology.
  • 1869Periodic table of elements : chemistry, materials, pharmaceuticals.
  • 1895X-rays : non-invasive medical imaging.
  • 1897Discovery of the electron : foundation of electronics.

First half of the 20th century

  • 1900–1930Quantum mechanics : semiconductors, lasers, sensors, modern chemistry.
  • 1905–1915Relativity : precise time synchronization (GPS, networks).
  • 1909–1913Haber–Bosch process : nitrogen fertilizers, global intensive agriculture.
  • 1928Antibiotics : treatment of bacterial infections.
  • 1947Transistor : basis of modern electronics and computing.
  • 1948Information theory : compression, error correction, digital communications.

Second half of the 20th century

  • 1953Structure of DNA : molecular biology, modern medicine.
  • 1958–1959Integrated circuit : miniaturization, mass computing.
  • 1960Laser : fiber optics, industry, medicine, metrology.
  • 1960s–1980sPacket-switched networks → Internet : global communication.
  • 1970sModern cryptography : secure digital communications.
  • 1983PCR (DNA amplification) : diagnostics, biotechnology, forensics.

21st century

  • 2012CRISPR : targeted gene editing.
  • 2010sDeep learning : vision, translation, optimization, digital assistants.

Note

This list includes only discoveries that are still indispensable today — removing any of them would cause immediate collapse of major sectors (energy, health, food, digital systems, communications, industry).


ynotopec at gmail.com (mail me)