• Interesting

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

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:
  • 1

    A Bricklaying Machine

    Photo: u/spedere / Reddit
    31,543
    4,538
    Is this fascinating?
  • 2

    Changing Lightbulbs In An IMAX Theater

    Photo: u/phloyd47 / Reddit
    21,132
    5,557
    Is this fascinating?
  • 3

    The Inside Of A Bowling Ball

    Photo: u/elmielmosong / Reddit
    23,152
    6,363
    Is this fascinating?
  • 4

    Maintenance On A Scary Bridge

    Photo: Memedroid
    15,426
    5,193
    Is this fascinating?