That's How WiFi Works
Hey, remember back in the day when your internet was connected through the phone line? Ugh,the sound of dial-up still haunts me in my sleep… Well, we’ve come a long way since then, and chances are that you’re reading this article through Wi-Fi right now. So how did we get here anyway? Just hop into my time machine, and I’ll show ya! The roots of Wi-Fi go way back to the 1940. That’s when a popular Hollywood actress and inventor by the name of Hedy Lamarr came up with a way to prevent radio signals from being tampered with. That was a pretty important goal, since back then, radio-controlled torpedoes could easily be intercepted and change their course, which meant a huge fail for the Navy submarines. So, she came up with the brilliant idea of frequency-hopping signals, where people who controlled them could jump from one frequency to the other and make those torpedoes practically immune to radio interference. Now grab your double-knit blazer and let’s fast forward to the 1980s. This is ...