A story post about the time a Stripe account I used years ago had thousands of pounds worth of unexpected payments flood in. What is this about? An evening in early August 2022 and I notice an unexpected email come … Read more
Computer programs organize bits and bytes into “data structures”. In software of any import, the data structures are usually more interesting than the code around them. This part of the Quamina Diary takes a close look at a very simple … Read more
The leap of a frog is a quintessential evolutionary feat. The critter’s girthy gams thrust from behind to springboard the body up and out; a pair of acrobatic arms stretch forward to seamlessly break the fall. The landing is “very … Read more
Julie, an organic chemist, was doing drug research at a lab. Her boss, Gordon, was a well-regarded scientist but also very temperamental. One day she walked into Gordon’s office to ask for his feedback on the draft of a research … Read more
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Nuclear reactors generate reliable supplies of electricity with limited greenhouse gas emissions. But a nuclear power plant that generates 1,000 megawatts of electric power also produces radioactive waste that must be isolated from the environment for hundreds of thousands of … Read more
If investing were a video game, you might suspect Warren Buffett of using some kind of cheat code. His holding company, Berkshire Hathaway, boasts $969B in total assets. It owns companies in dozens of industries, ranging from insurance (Geico) to … Read more
Machine learning is a huge discipline, with applications ranging from natural language processing to solving partial differential equations. It is from this landscape that major frameworks such as PyTorch, TensorFlow, and Flux.jl arise and strive to be packages for “all … Read more
When was the last time you completed a project? When was the last time you started a project? Have you every felt that you were trapped working on something that you don’t enjoy anymore? Size is something that I’m sure … Read more
When it comes to estimating the size of demographic groups, Americans rarely get it right. In two recent YouGov polls, we asked respondents to guess the percentage (ranging from 0% to 100%) of American adults who are members of 43 … Read more