How to change structure of water

How to change structure of water

The human body mostly consists of water. Both life expectancy of each specific person, and level of his health directly depends on quality of this liquid. Recently more often statements sound that water is capable to remember information. Quite recently it still was considered as charlatanism and mysticism; now it is scientifically confirmed that molecules can unite in "clusters", that is have strictly certain structure.

How to receive helium

How to receive helium

Helium is the inert one-atomic gas which does not have color, taste and a smell. One of the most widespread elements in the Universe, the second after hydrogen. Helium is extracted from natural gas by process of low-temperature division — so-called fractional distillation.

Amoebas: breath, reproduction, formation of cysts

Amoebas: breath, reproduction, formation of cysts

The amoeba belongs to the subkingdom monocelled that means, her body consists of only one cage which represents an independent organism with all functions inherent in it.

How to make Fresnel's lens

How to make Fresnel's lens

The lens received the name in honor of the creator – the outstanding French physicist Augustin Jean Fresnel. From the usual optical lens consisting of an integral polished piece of glass, Fresnel's lens differs in more difficult design. It is not simple to make it in house conditions at all.

How to leave from step tension

How to leave from step tension

The insidiousness of electricity is that it has no visible signs indicating danger. Therefore the person often too late understands that it appeared in an area of coverage of electric current.