Ooops... Error 404

Sorry, but the page you are looking for doesn't exist.

What is called machine science

Machine science Machine science or what is called the science of mechanics: this is one of the branches...

Recycling

Recycling Waste recycling process: it is the process of use, recovery, and reprocessing of waste and waste, whether...

The importance of the atmosphere

Atmosphere The atmosphere is known as a mixture of gases surrounding a star or a Quebian object fixed...

What is Einstein’s theory of relativity?

Einstein Many people have heard of Einstein and his genius. He is a German physicist, born in 1879....

What is a black hole

God created many miracles in his vast universe and gave man the curiosity to discover and study them, and among these hidden...

The speed of light in water

The light Light is part of the electromagnetic radiation. Where it extends over a certain frequency range of...