The early invention is critical in its own manner and has been the best in what it is. Without these inventions, one could not lead a comfortable and easy life as we see today. We should thank all the geniuses for the great findings they have contributed to mankind by sacrificing their lives for our betterment. Telephone: Alexander Graham Bell, one of Bell's assistants, was trying to reactivate a telegraph transmitter. Having the sound, Bell believed that he could solve the problem of sending a human voice over a wire. He first figured out how to transmit a simple current and received a patent for that invention on March 7, 1876 . Bulb: By January 1879, Thomas Edison had built his first high-resistance, incandescent electric light high-resistance in Menlo Park, New Jersey. It worked by passing electricity through a thin platinum filament in the glass vacuum bulb, which delayed the filament from melting. Mobile Phone: Martin Cooper wanted people to have the freedom to ta...
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