Page 241 - The Lost Ways

It was the preferred strategy because as George Washington said during the
Revolutionary War, it reduced the risk of detection and interception, which meant that
ultimately, it could save a courier’s life.

The invisible ink was known as the sympathetic stain, and Washington’s agents utilized

its full potential in acquiring intelligence about the movements, inventory, and plans of
the other side. He instructed his people to use any type of paper, such as that used in
pocketbooks, receipts, encyclopedias, and just about any kind of publication or book of
small value.

Today, invisible ink is available on the market in different forms. It could come as a stylus,
a pen, or a marker. However, the reality is, not everybody is willing to spend their extra
dollars on a pen. Even more so, in an apocalypse, not everyone will be equipped with it,

but in such a scenario, having one could be vital to survival. Luckily, anyone can make
invisible ink with almost the most basic items found in anyone’s kitchen or home.

All you need to have is the most important ingredient: lemons. A scientific explanation
for this would be the fact that lemons contain carbon compounds that are colorless at
room temperature and become more distinct when treated to heat as they release the
carbon, making the substance darker. The recipe is easy and actually fun to try. Besides,
you could always make lemonade or a lemon-based sauce with the excess.

The ingredients you’re going to need are the following:

❖ Half of a lemon
❖ One half teaspoon of water

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