Field Notes
Practical know-how for the days the power goes out. Readable here, and the kind of guidance the Index keeps offline.

How to build an offline survival library
What to keep, where to keep it and how to make sure you can actually read it when the power and the internet are gone.
06 Nov 2026
Why your phone is the first thing to quit in an outage
Phones need power and a network, and an outage takes away both. Why that happens and what to keep instead.
06 Nov 2026
Carbon monoxide: the quiet danger during a blackout
Generators, grills and camp stoves keep people warm and fed in an outage, and they also cause poisonings every year. How to stay safe.
06 Nov 2026
Which food to keep and which to throw away after an outage
The 40-degree rule, the 2-hour rule and the one sentence to remember when you are not sure.
06 Nov 2026
What to do in the first hour of a power outage
The first hour decides how much food you save and how safe your home stays. A short checklist you can follow in the dark.
06 Nov 2026
How to make water safe to drink when the tap stops
Boiling is the most reliable way to make water safe, and household bleach works when you cannot boil. Here is how to do both.
06 Nov 2026Nothing in this category yet.

Reference like this, in your pocket, with no signal
The Index carries a whole survival library on a paper-like e-ink screen, so the answers are still there when the power and the internet are gone.
See the Index· $249→