Video one · 2011
iPad2 Halloween Costume- Gaping hole in torso
Latest video · 2026
World's Most Over-Engineered Heist
14.9years since video one
83Msubscribers today
15Mviews on the first video
22Mviews on the latest video
About Mark Rober
Mark Rober is a former NASA engineer who makes science and engineering videos on a blockbuster budget. His builds range from booby-trapped packages for porch pirates to giant record-breaking contraptions.
Video one
Before YouTube was his job, Rober spent nine years at NASA's Jet Propulsion Laboratory, seven of them on the Curiosity Mars rover. His oldest public video, from 2011, is a Halloween costume that used two iPads to create the illusion of a hole through his torso. It went viral and hinted at what was to come.
The breakthrough
After a stint as a product designer at Apple, Rober went full-time on YouTube. His 2018 glitter-bomb video, built to catch package thieves, became one of the most-shared science videos ever and set the template: real engineering, explained with humour.
Today
He runs CrunchLabs, a subscription box of build-it-yourself toys that teach engineering thinking, and uses his channel for big collaborative projects such as the Team Trees and Team Seas fundraisers with MrBeast.
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