General Information

Who Invented Cell Phone?

Old Cell Phone

If you’re wondering “who invented cell phone,” you’re not alone. It is believed that 30% of people walking down the street are glued to their cell phones. Many inventors observe human behavior to develop technology that addresses their desires. Today, a cell phone is used by almost every person on the planet. Martin Cooper the …

The First Telephone

First Telephone - A Chair and OLD Telephone

Strowger invented the first coin-operated telephone The First Telephone – A rotary telephone invented by Strowger was the first coin-operated telephone. The rotary dial pulsed each number a specified number of times, allowing customers to dial the number they wanted. Strowger’s rotary phone eliminated cheating in a competitive market. It’s still possible to see early …