The Apple Watch Walkie-Talkie feature is a blast from the past, and enables people to communicate with close friends or ...

There’s something seriously wrong with the Arduino walkie-talkie that [GreatScott!] built. The idea is simple: build a wireless intercom so a group of motor scooter riders can talk in real-time.

When I was a kid, I thought walkie-talkies were the coolest thing in the world. Grant it, this was in an era before ubiquitous cell phones, so battery-powered communication devices were pretty novel.

We’ve become so reliant on cell phones for communications that it’s easy to take them for granted. But there are vast parts ...