INTERACTIVE FIELD NOTES · VOL. 01
A SMALL LIBRARY FOR LARGE IDEAS
Don’t just read it.
Move the parts.
Clear, tactile explanations of things that are usually trapped in diagrams, jargon, or someone else’s intuition.
Choose a rabbit hole
10 EXPLANATIONSMemory × Compute
Explore how registers, caches, unified memory, HBM, GPUs, TPUs, and wafer-scale systems keep arithmetic fed.
Why a positive test can be wrong
Change the base rate, test accuracy, and sample size to make Bayes’ theorem visible.
What is ultimately real?
Trace 2,600 years of arguments about matter, mind, process, ideas, doubt, and the physics each era could see.
How oil moves the world
Explore reserves, production, refining, trade, consumption, energy mixes, and the strange journey inside one barrel.
Volatility is not a crash
Separate implied, historical, and realized volatility—then see how level, percentile, and rank tell different stories.
The hurdle: SPY vs. day trading
Set a historical window and tax profile, then solve for the gross return a day trader needs to match SPY after tax.
Inside the quant hedge-fund pipeline
Follow weak signals through alpha, factor risk, portfolio optimization, execution, and an honest backtest loop.
Texas Hold’em stats for beginners
See how selectively winning players enter pots, compare all 169 starting hands, and practice outs, pot odds, and bet sizing.
How U.S. healthcare money moves
See the national health dollar flow from households, businesses, and government through payment channels, care delivery, and the R&D engine.
The world behind the wall socket
Trace global electricity supply and demand, compare the U.S. with China, and size the grid impact of data centres and EVs.