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Companion apps

17 interactive apps, each published alongside the article it belongs to. Open one and try it.

Local vs Cloud Calculator

See where the crossover is and when to decide to drop the cash

Aizia · David H. Friedel Jr. · 2026-08-14

Try it From: Where the Equation Flips

Desynchronized Climate Clocks

The climate is a set of transitions running on clocks that do not match.

Mechanisms · David H. Friedel Jr. · 2026-08-13

Try it From: The Filter

The Solvency Ledger

Working with the Social Security retirement fund

Symbey · David H. Friedel Jr. · 2026-07-03

Try it From: Exempt at the Top, Excluded at the Bottom

The Generosity Ratio

Billionaire vs public philanthropy commitments

Symbey · David H. Friedel Jr. · 2026-07-03

Try it From: The Wrong Denominator

Hours Compression Model

AI's impact on productivity and knowledge work

Symbey · David H. Friedel Jr. · 2026-07-03

Try it From: The Hours Go First
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