In many areas military industrial complex devices or devices operated by various radiation were used. Work with them is strictly regulated, using well aware of safety. Therefore, problems…
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Radiation, radioactivity and radiation background
Content: What is radioactivity and radiation? What kind of radiation is it? What is the effect of radiation on a person? How can radiation enter the body? Is…
Invisaband mosquito bracelet: 100 hour vampire protection
Imagine if you are going camping or fishing. The mosquitoes. You can, of course, go to the old joke that “do not take the bus!”. But then why…
Solar clock do it yourself. How to make a sundial with your own hands
When traveling, it is sometimes necessary to navigate the sun, for which you need to know the approximate time. If there are no watches with a dial, you…
How to determine the direction of the world by the clock – the method of determining the side
If you are in an unfamiliar area or before entering the forest, you need to determine the location of the cardinal points in order to represent where to…
Watch for hunting and fishing: selection criteria and review of the best models
Fishing and hunting will bring even more pleasure if you have the right equipment. You can not even talk about weapons, tackles and other necessary equipment – this…
Determining the approximate time of the day by the shadow of the pole, primitive sundials, determining the sides of the horizon by the clock on which the time is set by the Sun.
The method of determining the direction to the north in the shadow of the pole can also be used to determine the approximate time of the day. Determining…
The 72 Hour Kit Ideas: List of Important Items That Can Save Your Life
The 72-hour kit is simply a collection of important and basic things you need to survive, well, at least 72 hours (or 3 days) in difficult conditions. Authorities…