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Supersonic plane with shock waves.

How Does a Sonic Boom Work?

A sonic boom is a sound you hear when something (duh! airplane!) travels at a velocity faster than the velocity of sound (340 m/s). They are exactly heard when the airplane breaks the barrier of...

Condensation inside a water bottle.

How Atmospheric Water Generators Work?

Atmospheric water generators or AWGs are around humans since the ancient times. It only had been a while since 2009 these machines returned to help the humans in the areas where water is scarce. This...

Future planning and decision making.

How Future Thoughts and Fantasies Work?

A few years ago, there was a study on the fact that the future fantasies, despite lessening the depression at present, it indeed aided the depression in the future (Pleasure Now, Pain Later). I thought...

A photograph of a dark object with its histogram

How to Read an Image Histogram?

If you are a beginner, you will probably have ignored the image histogram completely and moved on, shooting and processing your shots without any help so far. As you have made up your mind to...