Featured climate data Climate Uncensored: Data & Figures We are beginning a revamp of the Climate Uncensored: Data & Figures pages, starting with global temperature. This section will serve as the hub ...

I am Professor in the Industrial Engineering and Operations Research department at Columbia University. I received my PhD in Algorithms, Combinatorics and Optimization (ACO) in 2008 from Tepper School ...

Excerpt from Columbia Spectator published in 1898: "MR. HOLROYD, the swimming director, has offered to coach a Columbia team to compete in the water polo tournament for colleges at the coming ...

Date: 1975. Digital's first upper/lower case video terminal. Its previous video terminals, the VT05 and VT50 (both of which we had in our PDP-11 machine room 1975-76), were upper-case only. In 1978, ...

We take the 1880-1920 global mean temperature as our best estimate for the pre-industrial value. However, the spatial coverage of stations is not good for that period (no Antarctica data, e.g.), so ...

Subscribe to our listserv at https://lists.columbia.edu/mailman/listinfo/cuttc Start coming to practice! All skills levels are welcome. We practice from Thursdays 9pm ...

This site provides information about this course, offered in the Fall of 2026. (Last year's website for this course: GR6037_f25 and for last year's spring semester: GR6038_s26) ...

the ocean crust is almost entirely mafic: extrusive basalts and intrusive gabbros ...

On the modern Google map at left, I traced the outline of Hall's Hill as best I can, given that I've never seen a proper map of it. Towards the upper center of the map, the circled A marks my ...

Columbia University Rugby Football Club is a competitive, intercollegiate rugby club open to all students of the university. During the fall we play in the recently formed Ivy League Championship ...

Tubes showing... The IBM Type 603 Electronic Multiplier, 1946, the first electronic calculator ever placed in production [4]. A "box of 300 vacuum tubes" [74], all it did was multiply two numbers that ...

Since signing the agreement in July 2025, Columbia University has begun work to comply with its obligations under our federal resolution agreement. That work proceeds as planned, as outlined in the ...