Science tools
Free science tools you can try instantly in your browser. No signup, no install.
10 tools · sorted by community upvotes · browse all
NASA 3D Resources
Free 3D models, textures, and imagery from NASA.
PhET Simulations
Interactive simulations for physics, chemistry, and other sciences.
CoolScience
Interactive science experiments and demonstrations for students.
Explorable Explanations
Interactive explanations and simulations that teach complex ideas.
FutureTimeline
Chronological collection of future predictions and technological forecasts.
NASA Exoplanet Archive
Database for discovering and studying exoplanets and astronomy data.
ESA Space Apps
European Space Agency’s portal for data, APIs, and developer resources.
Zoom Earth
Live satellite imagery with storm tracking and weather overlays.
Earth.Nullschool
3D globe showing real-time wind, temperature, and ocean currents.
XKCD
Randall Munroe's legendary webcomic about science, math, language, and love. Hover over each comic for a hidden alt-text punchline.