Rabbit Holes a commonplace book,kept in the open
¶ 434 · a public commonplace book

Hi, I’m Bhuvan.This is my commonplace book.

It is a linkblog and digital garden for the weird, wonderful, and unexpectedly useful things I find on the internet. Read what I have kept below, wander through a subject, or visit Small Web, my directory of independent blogs.

Recently kept
September 2026
434 Musing

I got some links for you

The German chemist Felix Hoffmann (1868–1946) famously synthesized two drugs: aspirin, one of the most widely beneficial drugs ever, and heroin, one of the most harmful of illegal substances. These two drugs represent the efforts of late-19th-century chemists to create new substances that could be used as medicines, not just to isolate active ingredients from natural products or to imitate them. One approach toward this end…

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4 threads →
433 Link

Agentic payments are coming to UPI

source Reuters

India is preparing a framework that would let AI agents make small digital payments without approval for every transaction, three sources familiar with the matter said, potentially making UPI one of the world's largest networks with agentic payments. While leading payment companies have launched such frameworks in the U.S., Europe, Singapore and Australia, a rollout on the popular Unified Payments Interface would also put…

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Agentic paymentsAIUPI 4 threads →
August 2026
431 Link

AI is NOT guzzling water!

source lnkd.in

Posting for reference: the Lawrence Berkeley National Laboratory estimates 2023 US data centre water withdrawal at 66bn liters (17.4bn gallons). With all this investment, that might triple in the next few years. Big number! But total US freshwater withdrawal is 102tr gallons a year. Data centres were about 0.017% of total US water withdrawal. This can be a local planning issue, if you build in the wrong place. But the idea…

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AI 4 threads →
Pulled from the stacks pull another from the archive →

One older leaf, brought back into the light.

001 Reflection

The Protection Racket: A History of Tariffs and Who Really Pays

On that day, an executive order was signed imposing a sweeping new regime of "reciprocal" tariffs. The action was vast in its scope, targeting nearly 70 countries and territories in addition to the European Union. The tariff rates varied widely, based on justifications ranging from trade imbalances to national security concerns. Rates for some nations were set as high as 41% (Syria) and 39% (Switzerland), while key trading…

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TariffsTrumpTrade 4 threads →
434 folios · last kept 3 September Open the full archive →