Puerto Rico had a swarm (or sequence) of earthquakes at the end of 2019 and the start of 2020. So far, the largest was a magnitude 6.4 on January 7, 2020.
Since around December 28, there have been hundreds of quakes in the region. Several researchers have made …
more ...I just ran a Software Carpentry Introduction to R Programming workshop with Sofia Melendez for the IQ-Bio-REU. We had three great helpers, Briknie Baez, Israel Dilán, and Marc De Jesus Ellsworth. With Juan S Ramirez lending moral support as needed. We ran the workshop over 5 half-days instead of the …
more ...During the 2015 drought I wrote niveles-carraizo, an openshift app to monitor the water levels at the reservoir close to my home. Openshift changed the way apps work, so the app stopped working a while back.
The app used a cronjob to scrape data from our water works, but …
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Humberto Ortiz-Zuazaga
The scuttlebutt protocol implements private messages with "private box", a protocol that hides the recipients from observers. Each message is encrypted to up to seven recipients. An observer can see only the timestamp, size, and the sender of messages.
We also know …
We were discussing in our department the pre-requisites for different courses in computer science, and I started wondering about the "normal progression" of students in our Computer Science bachellor's degree. We have a suggested 4 year curriculum, but hardly any students graduate in 4 years. I wanted to see …
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