What exactly is Cryptocurrency?

What is Cryptocurrency? A cryptocurrency or a digital or virtual currency that is secured by cryptography, which makes it almost impossible to counterfeit and double spend. Most of the cryptocurrencies decentralized networks based on a technology known as blockchain technology. You may be familiar with the most popular versions, Bitcoin and Ethereum, but there are …

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5th June – World Environment Day

Date: 5th June World Environment Day Purpose: To create awareness among people about Nature. Proposed By: United Nations First Proposed: 5th June 1972 at Human Conference on Human Environment held at Stockholm. Participants: UN, Different Governments, NGOs, Different Organizations, and Common people. First Observed: 5th June 1974 First Host: Spokane, USA First Theme: ‘Only One …

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Did you know these fruits are foreigners ?

Today Guava(Psidium guajava), Pineapple(Ananas comosus), and Papaya(Carica papaya) are popular in almost all parts of the world. Do you know their origins are in Central and South America. Portuguese and Spanish merchants took them all over the world. These fruits first came to Europe in the fifteenth and sixteenth centuries. Later European merchants brought these …

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What is Oximeter ? How does it work ?

What is Oximeter ? Today (during Covid-19 Pandemic) Pulse Oximeter is a common term. It is an essential medical instrument like thermometer or sphignomanometer (blood pressure measuring instrument). It is a non-invasive diagonastic device to measure Oxygen saturation in patient’s arterial blood (SpO2) . It is fixed on the finger tip or earlobe. Who invented …

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