About 13.7 billion years ago, before days were invented.
the sun, water, and fire dj as well
100 watts
Nikola Tesla did not discover electricity. Electricity has been studied for thousandths of years. He did came with the alt current generators that supply electricity to the whole world.
Nuclear energy is used as a source of heat. The heat from the reactor is used to heat up water and the steam moves a turbine that generates electricity. It's the same principal with a coal power plant, only the source of heat is different.
no. 100 years ago they did not have electricity so they did not have a grill, they did use fire to cook food on though.
The first electric battery was made in 1800 by Alessandro Volta. In 1878 Thomas Edison gave us the electric light bulb. So in answer to your question yes electricity was in use 100 years ago.
There was no gas for automobiles 100 years ago
There are many places to find facts about life 100 years ago. You could find facts about life 100 years ago in a library.
I think there wasn't copying machine 100 years ago
Yes, kimchi was eaten 100 years ago.
No because it didn't exist 100 years ago, or 1913. It first opened in 1955
no.there was no internet before a 100 years ago. if it was 20 'yes'.
A 100 years ago there was no Mexican immigrants.
Yes, it is a word made 100 years ago
astronomical engineer which is a highly devolope profession , which was common a 100 years ago
they didnt have tvs 100 years ago but if they did they had very little