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   Aug 30

Usable Energy

Continuing this analogy, we note that each cycle of charge-discharge contributes to our glass-battery "extraneous", thereby reducing the storage capacity of usable energy. The question naturally arises: why the battery during operation gradually becomes unable to take charge during the amount of energy deposited which it was designed? The reason is that during operation with […]

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   Aug 19

How To Choose A Fax Machine

The most simple and economical to operate are fax machines that print the resulting document on special paper that darkens when heated its surface (thermal paper). This is an excellent solution for small company, which is basically required to submit documents and receive and store them should be quite rare – such faxes do not […]

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