who invented fireworks ?

technology who invented

Fireworks are used in celebrations but they are mainly used in new years celebrations and they are used for cultural and religious purpos...

who invented the walk man ?

technology who invented

Sony Walkman WM-2 the best-selling model with plastic battery case and belt clip 1981 Walkman is a music playback device produced ...

How CPU works ? in one lesson

how stuff works technology

How CPU works ?  in one lesson you will understand how CPU works Just watch this video

How light bulbs work ?

how stuff works technology

How Light Bulb works ? The best answer is found in this video .

How a calculator works ?

how stuff works technology

How Calculators work ? to understand how calculators work please watch this small video to understand how Arithmetic logic unit wo...

General relativity vs. Special relativity

physics theories

General relativity vs. special relativity Before we get in to details first we must know that understanding General relativity or...

Supernova and Hypernova

space and universe

Supernova Supernova is a stellar explosion that is more energetic than a nova , during a time interval that could be over several weeks ...

Cosmic rays ( Shower of energy )

space and universe

Cosmic rays are extremely high energy particles mainly coming from the outside of our solar system , they primarily composed of high en...

Glass beach a beach of gems

interesting facts random facts weird facts

In people minds the image of a beach is accompanied with the big waves , the water of the sea that has a light blue color , the vast are...