MealtimeVideos (Please use Lemmy.cafe)

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Not too short, not too long. Videos to last through your meal.

Rules:

Submissions must link directly to a video between 5 minutes and 1 hour long.
Use a duration in your title such as [9:27].
Be mindful that some people will be watching this while eating. No 'gross' content, no NSFL, racism, bigotry, etc.
Use a title that is descriptive of the actual video.
Be respectful of other submitters and commenters. Personal attacks, hate speech, bigotry, etc will not be tolerated.

founded 1 year ago

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ProdigiousFrog

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Testing If You Can Blow Your Own Sail [17:06] (www.youtube.com)

submitted 8 months ago by FenrirIII to c/mealtimevideos

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[–] [email protected] 16 points 8 months ago (1 children)

He screwed the pooch on this one. He clearly only left the fan on for two seconds because he didn't want to explain why his boat started moving when he left it on longer, whether that movement was spinning or moving forward. The sail isn't a perfect wall that negates the forces of the fan and so some of the air will blow back or to the sides off of it and make the boat do something.

Mythbusters and The Action Lab both showed how this is possible.

There's lots of other great info in the video, but he used this sail thing as click bait and is showing he cares more about selling his products now than really teaching. Sad.

[–] LemmyKnowsBest 3 points 8 months ago (1 children)

So I don't have to click on his video and contribute to revenue that he doesn't deserve, please tell me who "he" is

[–] [email protected] 4 points 8 months ago (1 children)

Mark Rober

[–] LemmyKnowsBest -2 points 8 months ago

Oh that's him in that picture up there? He looks fatter than years ago.