After many experiments, Thomas Edison (United States) invented an incandescent light bulb that could be used for about 40 hours without burning out. By 1880, ... |
Alessandro Volta discovered that electricity flowed when pieces of copper and zinc (that were soaked in salt water and separated by cardboard) were connected to ... |
Novbeti > |
Axtarisha Qayit Anarim.Az Anarim.Az Sayt Rehberliyi ile Elaqe Saytdan Istifade Qaydalari Anarim.Az 2004-2023 |