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First Neural Network

In Machine Learning there is the “Hello World” problem – namely the classification of three species of irises using a 1936 dataset. Learning Agenda: Programming Goals:

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For all that you do …

https://www.gocomics.com/brewsterrockit/2023/01/01 The link above (which I suspect I cannot legally post on this site) is a funny take from the comic Brewster Rocket on performance reviews. Worth a click through. Whatever you did, you could have done more. me, paraphrasing I have a sense that in the post COVID world many employees are not willing […]

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Groundwater Crisis and Scarcity

More on the California water crisis. What I find particularly interesting is the intersection of absolute scarcity and water rights – in effect the right-to-water versus rights-over-water. www.washingtonpost.com/climate-environment/2022/10/10/drought-california-water-levels/ This is especially interesting to me in the context of a project I worked on in Tunisia that also involved groundwater. A fabulously wicked problem – and […]

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Flushable Wipes … are not

www.washingtonpost.com/local/trafficandcommuting/flushable-wipes-clogging-sewers/2021/04/23/5e8bbc82-a2c9-11eb-a774-7b47ceb36ee8_story.html Flushable wipes are not really flushable. So don’t. Actually a stunningly common problem across the world is dumping in streams and water ways (closed and open). Makes for an incredibly difficult management problem and, yet another, example of a commons problem.

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Something to remember

www.washingtonpost.com/lifestyle/on-parenting/slow-pace-pandemic-parenting-life/2021/04/05/70808f54-917f-11eb-a74e-1f4cf89fd948_story.html

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CO2 Footprint of concrete

www.washingtonpost.com/health/cement-concrete-climate-change-emissions/2021/02/26/8afec166-7154-11eb-b8a9-b9467510f0fe_story.html A short posting today on advances in concrete technology that hold the promise for reducing the carbon footprint of cement and hence almost every construction project.

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Reimagining Streetscapes

Pre-COVID I used to ride my bike to work – back when I actually went to the office. While the situation has improved dramatically over the past 10-15 years, it was (and is) still an incredibly risky enterprise. This article from the NYT fits a pattern of increasing efforts to reclaim street space and to […]