That's a wrap on Ruby. I hope you enjoyed your stay. A few important points to take from this chapter:

Even though Ruby tools appear more frequently and are used more often in the scientific world than in the entertainment and game industries, they can still be found if you look hard enough.
Ruby has quite a bit of support for developing scientific graphs and charts. Integration with some of the libraries that allow the rapid development of Ruby GUIs makes Ruby a good tool for a number of research facilities.