16K views · 1K reactions | PLC Programable logic controller, in this video we learn the basics of how programable logic controllers work, we look at how PLC's work, where they are used and how programable logic controllers replaced relay banks but still use relays. PLC Basics AND gate, automation engineering, what is a plc, logic gate #engineering #electric | The Engineering Mindset | Facebook

#OTD in 1948, NBC produced a live broadcast of a simulated attack on USS Leyte. It was considered a major feat, requiring one of the largest engineering crews assigned to a single telecast at that point in TV history. One million viewers on the East Coast tuned in to watch Corsairs fight Hellcats. The exercise was deemed a success, with an admiral stating that radar had given the Navy the ability to find the enemy, and "some time in the future, television may enable us to see the enemy." | U.S.