Dont know the exact date or year, but it was the start of the new stone age!
The light bulb was not something that existed and had to be discovered. It was a new thing that was invented.
Newton
look for flaws a crack or a dark spot or even a light spot with in the stone and it depends on the type of stone and size
Isaac Newton discovered that white light is made up of seven different colors when he passed sunlight through a glass prism.
of... light? well i would say that was when things could start growing. before that there could be no plants, thus no animals that eat them and thus no animals that eat those animals. I don't believe anyone actually discovered light, it discovered itself. Then it discovered man. Then man said, "Damn man, it's bright in here!!"
The first person who discovered stone/rock was The Hunter Gatherers in the stone age.
In the Stone Age
Before the Stone Age
Metal was not available to 'stone age' man, it had not been discovered.
ever since the stone age, cavemen from india discovered them
stone age people
They discovered how to sit. They also discovered fire.
they discovered fire
Humans discovered fire in the Old Stone Age, also known as the Paleolithic period. The use of fire for cooking, warmth, and protection dates back to around 1.5 million years ago.
No! That wasn't until the end of the dark age.!
it must be BC , because later on birth of Jesus Christ (start of AD), the metals were discovered, and there were no stone age remaining on that time.
It was discovered in the stone age. Magnetic stones 'Lodestones' were used for navigation for years.