have celebrated Engineering Days during the spring semester. During E-Days, classes are canceled and students attend a variety of events beginning with the ore cart pull. Students take turns pulling an ore cart down 7.5 miles of Colfax Avenue to the state capitol building, where the governor of Colorado officially declares the start of E-Days. E-Days continues with field events, tech demos, concerts, comedians, manual mining competitions, and a trebuchet contest. The next morning, teams race cardboard boats down Clear Creek, competing to see which team sails the farthest before sinking. A carnival is held during the day and the Formula SAE club hosts a car show.
=== Silver Diplomas ===
The tradition of awarding silver diplomas was started in 1934 by Charles Hull, an Instrument Designer at Mines. Since then, every graduate receives a silver diploma upon graduation from Mines. In 1935, President Herbert Hoover, who was a guest at the commencement ceremonies, was awarded an honorary Doctorate of Engineering for …
