Interesting
82.5k voters

17 Pictures That Made Us Say "Oh, That's How They Do That!"

Updated August 22, 2019 406.9k votes 82.5k voters 5.0m views17 items

If you’ve spent any time lurking on Reddit’s mildlyinteresting, interestingasf*ck, or damnthatsinteresting subreddits, you’ve seen them: those pictures that make you slap your forehead and go, “So that’s how they do that!” They’re pictures that give you a behind the scenes peek at how common things function, are assembled, or are maintained.

Below are just some of the most interesting pictures of this kind, from Reddit and beyond. Vote up the ones that blew your mind at least a little.

Photo:
  • 5

    The Inside of a Bowling Ball

    Photo: flickr / CC0
    22,827
    6,312
    Is this fascinating?
  • 6

    Noodles in Taiwan

    Photo: Metaweb / CC-BY
    20,079
    5,553
    Is this fascinating?
  • 7

    Harvesting Carrots

    Photo: Unknown / The Kids Should See This
    18,206
    6,049
    Is this fascinating?
  • 8

    Strips of Bark with Corks Punched Out

    16,266
    5,457
    Is this fascinating?