This is a super-useful tool for quick calculations and graphs. Try entering something like “surface area of sun”, “pi to 100 digits”, “life expectancy france 1910”, or “Who formulated the halting problem?” in the search bar!
This website looks like a regular search engine, but returns facts, figures, and charts, rather than just URLs to other pages.
Here’s a cool subreddit where people ask STEM-related questions like:
…some questions on this board are pretty easily answered, but others provoke long, interesting discussions! Usually these questions are answered by people who have some professional knowledge of the topic on which they’re commenting.