[4][5] Watson registered the Technology Connections channel on YouTube in November 2014,[1] with his first video, exploring Alexander Graham Bell's role in the history of sound reproduction, uploaded in September 2015.

[7] As well as these subjects, Watson has also explored the mechanics and history of various telephony products, aspects of television broadcasting, videocassette recorders, home appliances, electrical wiring, and more.

[9] In March 2024, Watson collaborated with Gavin Free of The Slow Mo Guys to film an episode of Technology Connections detailing the mechanics of Kodak and Sylvania's jointly developed Magicube, a multiple-use, disposable consumer flash bulb.

Watson employed Free's Phantom high-speed camera to capture and study detailed close-ups of the Magicube igniting its explosive contents to create the flash.

[12] Ehrhardt called Watson "a sort of guru for home appliances", "explain[ing] the history and methodology behind common devices like air conditioners, dishwashers, and power outlets in a genuinely fun way that might also teach you a few tricks and tips that will make your life better".

[11] Watson's video on the automatic Sunbeam Radiant toaster went viral in 2019, with Sean Hollister of The Verge praising it as "[possibly] the smartest thing you watch today".