Category: Shopping Product Reviews

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Why VoIP is replacing PSTN (Public Switched Telephone Network)? Fiber optic communication tutorial

The history of the traditional PSTN The traditional PSTN (Public Switched Telephone Network) has continually improved since its creation by Alexander Bell. There are valid reasons why the PSTN exists in its current state. What is Ring-Down? At first, Bell developed a dial-down circuit, which means no numbers are dialed. Instead, a physical cable connected […]

Shopping Product Reviews admin 

Micromax W900 Mobile Review

In the recent years, all the mobile phone companies are trying to put the best of their product in front of the young generation to catch their full attention, like Samsung Corby series catches the imagination of the youngsters and has gained enough popularity in the Indian market. Similarly, Micromax is following a similar strategy […]

Shopping Product Reviews admin 

Distilled water

Why does water (H2O), which is the second simplest element after oxygen (O), seem too complicated for some doctors to understand? Water is not only the second simplest element, but it is also the most important next to oxygen for our survival, or for the survival of the Earth. All living things require water to […]

Shopping Product Reviews admin 

What is the Electronic Nose?

Introduction Electronic Nose (eNose) is a device used to detect and recognize odours/vapours, i.e. a mechanical olfactory device with a series of chemical sensors. Alternatively, according to the definition of Gardner and Bartlett, (1994) [3]: “An electronic nose is an instrument comprising an array of electronic chemical sensors with partial specificity and an appropriate pattern […]