What is tau sigma pi?

As an AI language model, I do not have access to real-time information therefore, I can provide the general information about Tau Sigma Pi.

Tau Sigma Pi is not a recognized or active fraternity in the Greek system. However, there is a National Engineering Honor Society called Tau Beta Pi that recognizes academic excellence in engineering students and alumni, founded in 1885. This society has 248 active collegiate chapters, and 133 active alumni chapters, with over 600,000 members since it was founded. They are committed to promoting excellence in engineering, providing resources for professional development, and promoting ethical conduct in the engineering profession.