Jawapan

2015-06-07T11:51:35+08:00
Electricity.It was invented by Albert Einstein.
So how to elaborate this
No. Electricity wasn't invented by anyone. However Benjamin Franklin was the one who discovered electricity. He also did extensive research on the matter.
2015-06-07T12:45:06+08:00
Telephone.invented by  alexandra graham bell.
The invention of the telephone is the culmination of work done by many individuals, the history of which involves a collection of claims and counterclaims. The development of the modern electrical telephone involved an array of lawsuits founded upon the patent claims of several individuals and numerous companies