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6.00x students earn credit for submitting code to online checkers. Feedback is instant, but limited: A green checkmark appears if your code passes all test cases, otherwise it lists failed tests.

EdX engineer Jay Zoldak works on code for the edX website.

The edX “orgboard” near the office entrance holds the name and photo of every edX employee.

The characters played by Noah M. Arbesfeld ’13, Illan F. Halpern ’13, Cathy T. Zhang ’13, and Johari Frasier ’13 die at a party in Dramashop’s production of Margo Veil.

The reading room was recently reopened to students as a 24/7 study area. Along with the skylight, new efficient lighting systems were installed, as well as new paint that restores the reading room to its original colors.

Foilist Alexander E. Siy ’13 makes an attack during a bout at the Eric Sollee Invitational on Sunday, Feb 3.

Professor Jeffrey C. Grossman demonstrates that Latkes are a better fuel than Hamentaschens by lighting one on fire at the annual Latke Hamentaschen Debate held in 10-250 on Feb. 6.

Installations from the Martin Luther King Jr. Design Seminar (17.920) class, held during IAP, are up in Lobby 10. The class focused on topics such as civil rights, race, and identity. The installation will conclude on...

MIT Musical Theatre Guild’s production of The Rocky Horror Show plays this weekend in La Sala de Puerto Rico. The show follows a newly engaged couple on a road-trip gone awry. They encounter a transvestite mad scienti...

Stanford professor Andrew Ng SM ’98 teaches Machine Learning, a 10-week Coursera MOOC. A key component of most MOOCs are lecture segments, pictured here, where instructors write notes and mark up slides.

6.00x students developed an unusual fondness for Professor Eric Grimson PhD ’80, who is also MIT’s chancellor. After Grimson reappeared in a few lecture sequences ­— having been replaced for some lectures by Profs. Jo...

Stanford’s Machine Learning homework assignments were MATLAB/Octave-based programming assignments and multiple-choice review questions, seen here. On each retry of a problem set, question parameters and answer choices...

EdX features a slick course progress interface that lets students easily see how many more points they need for a certain grade. Most of the 6.00x final grade derives from two midterms and a final exam, with problem s...

Members of Techiya, MIT’s Jewish, Hebrew, and Israeli a cappella group, hold a community singing event outside LaVerde’s on Tuesday evening. Passers-by were invited to pick up music and sing along.

EdX President Anant Agarwal, former MIT CSAIL chief, in edX’s 11 Cambridge Center headquarters. Agarwal also taught MITx’s first course, 6.002x (Circuits and Electronics). On the whiteboard are edX design plans, and...