Last updated on March 14, 2016 by scary for kids. Four stories about scary phone calls. Thereâs something very unnerving about strange phonecalls in the middle of the night and unidentified voices on the other end. I grew up on a farm in a remote area and I have always been uneasy about being in the house by myself at night.
1 What present-day device did the invention of the transistor most directly influence? automobile light bulb atomic bomb laptop computer. 2  What present-day device did the invention of the transistor most directly influence? automobile light bulb atomic bomb laptop computer.
The bipolar transistor was invented in 1947. From 1955 onwards transistors replaced vacuum tubes in computer designs, giving rise to the second generation of computers. Compared to vacuum tubes, transistors have many advantages: they are smaller, and require less power than vacuum tubes, so give off less heat.