Mark Rober is a YouTuber, inventor ... Many of his videos also centered on scientific matters such as water purification and sand fluidization. Rober uploaded his first video to YouTube in ...

Mark Rober is a former NASA engineer and a multimillionaire YouTuber, famously referred to as “the Willy Wonka of rocket science and engineering”. The inventor and educator is best known for ...

Even the squirrels are getting into it. How Bill Gates ended up eating pizza rolls on YouTube YouTube star Mark Rober's latest video features the philanthropist talking about clean water ...