Sprocket opening process

Today in STEM History- October 3rd, 1950, the patent for transistors by Bell Labs revolutionized electronics and telecommunications! The transistor remains at the heart of all electronic devices, from microchips to communication systems. Bell Telephone Labs IBM Intel Microsoft Apple IEEE Computer Society Institute of Electrical and Electronics Engineers - IEEE American Society of Mechanical Engineers Texas Instruments Qualcomm Semiconductor Industry Association #stem #stemhistory #stemforkids #e