Physics
Q&A for active researchers, academics and students of physics
Space Exploration
Q&A for spacecraft operators, scientists, engineers, and enthusiasts
Chemistry
Q&A for scientists, academics, teachers, and students in the field of chemistry
Mathematics
Q&A for people studying math at any level and professionals in related fields
Astronomy
Q&A for astronomers and astrophysicists
Drones and Model Aircraft
Q&A for experienced flyers, pilots, and builders of drones and model aircraft
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Super User
Q&A for computer enthusiasts and power users
Robotics
Q&A for professional robotic engineers, hobbyists, researchers and students
Engineering
Q&A for professionals and students of engineering
Arduino
Q&A for developers of open-source hardware and software that is compatible with Arduino
Stack Overflow
Q&A for professional and enthusiast programmers
The Workplace
Q&A for members of the workforce navigating the professional setting
Aviation
Q&A for aircraft pilots, mechanics, and enthusiasts
Earth Science
Q&A for those interested in the geology, meteorology, oceanography, and environmental sciences
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts