Getting fire with flint and chair Hey, Hey, Hey, Hey! fire prey the good old-grandfather-great-grandfather way flint, that was, read, each of our ancestors in the brake even…

Hygiene is not only survival, but also ordinary lives. However, it’s not a problem. I can say that I’m a European epidemiologist. But the cholera outbreaks do not…

Imagine that as a result of a serious technological, natural or economic disaster, the infrastructure of the city has been destroyed. There is no medical assistance, law enforcement…

There are several ways to make a rope. You can use these methods. There are fewer materials that have been processed and, accordingly, less durable materials. But in…

Recently, we were lucky enough to stumble upon an interesting report on how to produce a Kalashnikov assault rifle. Let’s walk through the legendary Izhevsk plant and see…