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  1. You can always win this game if you go second | An SOS (math olympiad) puzzle

    You can always win this game if you go second | An SOS (math olympiad) puzzle

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  4. So why does the golden ratio show up in this probability puzzle?

    So why does the golden ratio show up in this probability puzzle?

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  5. Each point is connected to its closest neighbor, how many connections can a single point have (max)?

    Each point is connected to its closest neighbor, how many connections can a single point have (max)?

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  8. The scariest thing you learn in Electrical Engineering | The Smith Chart

    The scariest thing you learn in Electrical Engineering | The Smith Chart

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  10. How many pairs of points can be separated by this maximum distance? | A 1957 Putnam exam problem.

    How many pairs of points can be separated by this maximum distance? | A 1957 Putnam exam problem.

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  11. Is there (always) a line that passes through exactly 2 points?

    Is there (always) a line that passes through exactly 2 points?

    1
  13. Can you always cover 10 points with 10 equally sized (non-overlapping) coins?

    Can you always cover 10 points with 10 equally sized (non-overlapping) coins?

    1
  15. No you guys, most shapes do not have a center of mass with this property (but some do)

    No you guys, most shapes do not have a center of mass with this property (but some do)

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  16. GUILTY GEAR STRIVE : How to Play Local Versus Friends (Gameplay)

    GUILTY GEAR STRIVE : How to Play Local Versus Friends (Gameplay)

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  17. photoshop art || photoshop remove backgraund

    photoshop art || photoshop remove backgraund

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  18. photoshop art || photoshop remove backgraund

    photoshop art || photoshop remove backgraund

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  19. photoshop art || photoshop remove backgraund

    photoshop art || photoshop remove backgraund

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  22. The applications of hyperbolic trig | Why do we even care about these things?

    The applications of hyperbolic trig | Why do we even care about these things?

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  24. A disk covering puzzle | How do you minimize the longest possible walk?

    A disk covering puzzle | How do you minimize the longest possible walk?

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  25. Vid Toon Review | Demo; Watch before you buy!

    Vid Toon Review | Demo; Watch before you buy!

    12