this spilled coffee made a perfect coffee circle as it rolled on the pavement

    by mipsies

    23 Comments

    1. I’ve seen a post while back about a perfect circle of dirt and they couldn’t figure out where it came from. Turned out it was a pot that fell over and rolled

    2. Looks like there’s a sewer structure underneath that slab of concrete. That’s what the green paint usually means.

      Pink probably is the marking that denotes the parameters of the locate. By using EM locating and Ground Penetrating Radar a Sun Surface Locater is probably helping a construction crew before they cut the concrete.

    3. Now there is an interesting math problem.

      Assume the radius of the circle is 30cm and the radius of the bottom of the cup is 3cm and the height of the cup is 10cm. What is the volume of the cup? 😉

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