Hollywood Star Invented WiFi Code in 1941

Why Bluetooth Exists Because of Actress ⚡ By day, she was a Hollywood star. By night, she engineered the code for "Frequency Hopping" - changing radio frequency to stop enemies intercepting the message. People also call Hedy Lamarr the "Mother of Wi-Fi" because later this tech was used in Bluetooth and the first Wi-Fi standard. This is the hedy lamarr story they don't teach: a 1940s star co-inventing spread-spectrum that became bluetooth history . Her hedy lamarr story runs through hedy lamarr documentary and hedy lamarr interview archives - from hedy lamarr movie fame to wartime lab work that shaped wireless. More from Signal 404: We dig up the internet's most jaw-dropping tech secrets, forgotten product scandals, and hidden engineering facts. Just the receipts. hedy lamarr, bluetooth history, hedy lamarr story, hedy lamarr documentary, hedy lamarr interview, hedy lamarr movie. #technology #techhistory #didyouknow #HedyLamarr #Bluetooth #WiFi #Signal404 #techsecrets Disclaimer: This Short is for educational and entertainment purposes. Narration is dramatized/simplified for short-form. All footage belongs to its respective owners and is used under Fair Use (Section 107) for commentary, news reporting, and criticism. © 2026 Signal 404. All rights reserved. Re-uploads, re-edits, or redistribution without permission is prohibited.