
Thomas Edison (invention of needle-based devices)
Thomas Edison was an inventor best known for creating the practical electric light bulb, but he also contributed to developing needle-based devices, such as the phonograph needle. These small, precise components allowed for accurate recording and playback of sound. Edison’s work in this area helped improve the sensitivity and durability of these needles, enabling more reliable audio recording technologies. His innovations laid the groundwork for expanded uses of needle-based components in various devices, making audio technology more accessible and efficient. Overall, his contributions greatly advanced the fields of sound recording and electrical engineering.