Systematic Debug
A production technician's guide to evidence-based PCB assembly troubleshooting, available online, as PDF, and as EPUB.
Technology resource atlas
Learn how technology works, how to build it, and where it is going.
This library connects foundational science, practical instruction, professional references, and current research. It is built for curious beginners, students, educators, technicians, researchers, and working professionals.
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International Tech Resource guides
Fundamentals of AI
Models, data, training, inference, evaluation, and risk in plain terms.
Repair and Durability
Make devices last longer, fail less often, and exit service responsibly.
Open Frontier Publications
Open papers, public reports, datasets, and engineering research trails.
Foundations for every field
Suggested route: build confidence with measurements and models, test ideas with simulations, then use formal methods to evaluate evidence and designs.
Mathematics and statistics
The shared language of measurement, models, uncertainty, and engineering.
- StartKhan Academy Mathematics
- LearnOpenStax Mathematics
- PracticeGeoGebra mathematics tools
- FrontierarXiv Mathematics
Physics and scientific reasoning
Motion, energy, waves, matter, experimentation, and evidence.
- StartPhET Interactive Simulations
- LearnOpenStax Science
- PracticeNIST guide to SI units
- FrontierarXiv Physics
Engineering and design
Turn requirements and scientific principles into useful, testable systems.
Computing and information systems
Suggested route: learn computational thinking and machine boundaries, build with documented tools, then follow open specifications and current systems research.
Computer science and programming
Algorithms, code, data structures, software, and computational thinking.
- StartCode.org free course catalog
- LearnHarvard CS50x
- PracticeMDN Learn Web Development
- FrontierarXiv Computer Science
How computers work
Logic, processors, memory, operating systems, and hardware-software boundaries.
- StartHow computers work
- LearnNand2Tetris
- PracticeLinux kernel documentation
- FrontierRatified RISC-V specifications
Networks and the internet
How devices communicate, how the internet is governed, and how protocols evolve.
- StartA brief history of the Internet
- LearnHow the Internet works
- PracticeIETF Internet standards process
- FrontierIETF standards in development
Cybersecurity and privacy
Protect people and systems, understand common attacks, and manage risk.
- StartCISA Secure Our World
- LearnCyberSeek career pathways
- PracticeOWASP Top 10
- FrontierNIST cybersecurity publications
Data science and artificial intelligence
Work with data, understand models, evaluate claims, and follow the field responsibly.
- StartFundamentals of AI
- LearnMachine Learning Crash Course
- PracticeKaggle Learn
- FrontierHugging Face trending research papers
Cloud, distributed, and edge systems
Understand shared computing infrastructure, containers, orchestration, reliability, and computation spread across many machines.
Physical and engineered systems
Suggested route: begin with physical principles, move into design and operating references, then compare real measurements with current laboratory and engineering work.
Electronics and embedded systems
Circuits, sensors, microcontrollers, instrumentation, and connected devices.
- StartWhat is a circuit?
- LearnLessons in Electric Circuits
- PracticeArduino learning documentation
- FrontierIEEE Spectrum: Semiconductors
Robotics and automation
Mechanisms, sensing, control, autonomy, and machines that act in the world.
Energy, batteries, and the electric grid
Energy conversion, storage, efficiency, power systems, and grid modernization.
Manufacturing, materials, and nanotechnology
Make, measure, and improve materials and products from atomic to industrial scale.
- StartNIST manufacturing infographics
- LearnnanoHUB learning modules
- PracticeMaterials Project
- FrontierMaterials science research on arXiv
Quantum science and technology
Quantum information, sensing, communication, computing, and enabling physics.
- StartNIST quantum information science
- LearnIBM Quantum Learning
- PracticeQiskit learning resources
- FrontierQuantum Physics on arXiv
Chemical and process technology
Use chemistry, thermodynamics, transport, and process control to transform materials safely and efficiently at useful scales.
- StartOpenStax Chemistry 2e
- LearnMIT OpenCourseWare: Chemical Engineering
- PracticeNIST Chemistry WebBook
- FrontierDOE Basic Energy Sciences
Transportation and aerospace systems
Study vehicles, aerodynamics, navigation, safety, public infrastructure, and increasingly connected transportation networks.
Life, Earth, and human systems
Suggested route: learn the underlying living or Earth system, work with public observations and datasets, then read the agencies and collaborations producing new evidence.
Biotechnology and health technology
Biology, bioinformatics, medical devices, digital health, and evidence-based care technology.
- StartNHGRI genomics fact sheets
- LearnNCBI Bookshelf
- PracticeEMBL-EBI training
- FrontierClinicalTrials.gov
Climate, weather, and Earth observation
Observe the planet, understand environmental systems, and work with public data.
- StartNASA Earth science for kids
- LearnNOAA education resources
- PracticeNASA Earthdata learning resources
- FrontierIPCC reports
Space and astronomy
Explore the universe through missions, observations, open data, and research.
- StartNASA Space Place
- LearnNASA Science learning resources
- PracticeMAST astronomy data archive
- FrontierAstrophysics on arXiv
Agriculture, food, and water
Apply sensing, biology, data, and engineering to essential human systems.
- StartFAO e-learning Academy
- LearnUSGS Water Science School
- PracticeUSDA Ag Data Commons
- FrontierUSDA Agricultural Research news
Geospatial technology and mapping
Connect location, imagery, surveying, and geographic data to understand places, infrastructure, hazards, and change.
Technology, work, and society
Suggested route: identify who a technology serves and affects, learn the relevant guidance, apply concrete standards, then track changing policy and evidence.
Accessibility and inclusive design
Build technology that more people can perceive, understand, and operate.
Repair, sustainability, and circular technology
Maintain equipment, reduce waste, extend useful life, and recover materials responsibly.
- StartRepair and Durability
- LearnEPA electronics donation and recycling
- PracticeiFixit repair guides
- FrontierITU environment and e-waste work
Ethics, standards, policy, and governance
Understand the rules, tradeoffs, public impacts, and institutions around technology.
Careers and professional growth
Explore roles, understand required skills, and keep learning throughout a career.
Research, standards, datasets, and current developments
Suggested route: start with research literacy, trace claims to citable records and data, reproduce what you can, and distinguish current preprints from reviewed work.
Find and evaluate research
Search broadly, trace claims to their source, and distinguish preprints from reviewed work.
- LearnGoogle Scholar
- PracticeDirectory of Open Access Journals
- PracticeCrossref metadata search
- FrontierarXiv open research
Public data and reproducible work
Use inspectable datasets, documented methods, and tools that others can test.
- StartData.gov
- LearnOur World in Data
- PracticeGoogle Dataset Search
- FrontierZenodo research repository
Standards and technical specifications
Find the documents that make technologies interoperable, measurable, and safer.
- StartHow standards work
- PracticeW3C web standards
- PracticeRFC Editor Internet standards
- FrontierIEEE standards developments
Frontier news from original sources
Follow research agencies and laboratories before a finding becomes a headline rewrite.
- FrontierInternational Tech Resource open publication trail
- FrontierNSF research news
- FrontierNASA recently published news
- FrontierDOE Office of Science