Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Physics
Q&A for active researchers, academics and students of physics
Space Exploration
Q&A for spacecraft operators, scientists, engineers, and enthusiasts
Matter Modeling
Q&A for materials modelers and data scientists
Blender
Q&A for people who use Blender to create 3D graphics, animations, or games
Aviation
Q&A for aircraft pilots, mechanics, and enthusiasts
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Game Development
Q&A for professional and independent game developers
Motor Vehicle Maintenance & Repair
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
3D Printing
Q&A for 3D printing enthusiasts
Web Applications
Q&A for power users of web applications
Gardening & Landscaping
Q&A for gardeners and landscapers
Computer Science
Q&A for students, researchers and practitioners of computer science
Artificial Intelligence
Q&A for people interested in conceptual questions about life and challenges in a world where "cognitive" functions can be mimicked in purely digital environment
Stack Overflow
Q&A for professional and enthusiast programmers
Mathematics
Q&A for people studying math at any level and professionals in related fields
Biology
Q&A for biology researchers, academics, and students
The Great Outdoors
Q&A for people who love being outdoors enjoying nature and wilderness, and learning about the required skills and equipment
Home Improvement
Q&A for contractors and serious DIYers
Chemistry
Q&A for scientists, academics, teachers, and students in the field of chemistry
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Sustainable Living
Q&A for folks dedicated to a lifestyle that can be maintained indefinitely without depleting available resources
Academia
Q&A for academics and those enrolled in higher education
Hardware Recommendations
Q&A for people seeking specific hardware recommendations
Engineering
Q&A for professionals and students of engineering
Robotics
Q&A for professional robotic engineers, hobbyists, researchers and students