Tech

LED & IRED

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LEDs are found in many things we use in day-to-day life. They’re small, effective, efficient for emission of light. LED found in remote control are not there for nothing we often find them useless because it does not emit light but that’s not true they do emit light but it is not visible to humans, …

Magnets

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We all have heard earth is a giant magnet, it’s true! Magnets are everywhere many electronics use concept of magnetism & they have vast range of applications from constructive purposes like converting wind energy to electricity  ( windmills ) or Fan for doing exactly opposite! There are MagLev trains which work on “magnet levitation”, but …

Morse code

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Morse code is a method of writing characters (alphabets, numericals, symbols) in form of dots & dashes or on & off signals. Most used way to transmit data in morse is through sounds by radio, etc. In survival conditions morse code can be a huge help that makes it important & it is really easy …

VPN

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What Is a VPN? When you connect your computer (or another device, such as a smartphone or tablet) to a VPN, the computer acts as if it’s on the same local network as the VPN. All your network traffic is sent over a secure connection to the VPN. Because your computer behaves as if it’s …