How things work
Finally understand the machines you use.
Howtick explains how everyday machines work, step by step. Each article follows one signal, spark or gear through the device, with the full animated video on YouTube.
Watch on YouTube
How Does a Walkie Talkie Work? (No Tower, No Internet)
How does a walkie talkie work with no tower or internet? Follow one word from your mouth to a speaker a mile away, plus range, squelch and privacy codes.