Promoting Nancy’s photography and educating the public about nature, photography, and God

Category: Applied math

  • How To Make Your Beveled Edges Look Like A Continuation Of Your Image

    When describing our canvas gallery-wrap optionslink, we mention that the technique we use, the digital stretch wrap, creates an optical illusion. For any given amount of stretch, there is a particular “illusion angle” at which the sides look like an unstretched and uncompressed continuation of the frontthe math. Figure 1 shows that angle for various…

  • Answers To “Is This Picture Level?”

    A few weeks ago, I asked a few questions about a picture of me on the Turner Riverlink. I even offered a reward for the best answers. Here are my answers. First Question NO, the picture is not level. The photographers’ usual reference point for getting a picture level is the horizon. One of the…

  • Tips For Setting Up Your Booth Canopy

    We have a Trimline Canopy by Flourishabout, with lower StaBars and a small (30″) front awning. Although we’ve also heard good things about the Light-Dome canopywebsite, I don’t know how many of the following tips would apply to other manufacturers. Not all of these concepts are brand-specific, however. This will not replace the setup instructions…

  • My Midnight Rainbow Quest – Tougher Than I Thought

    I just looked a little deeper into some rainbow geometry and discovered that this challenge could be a lot harder than I first imagined. But for those of you who have no idea what I’m talking about, here’s a little history – The Facebook Quiz This all started with one of the little quizzes I…

  • Quiz: What Paper Size?

    Here’s another math problem inspired by real life! Each correct answer could earn you five dollars ($5) off any of our products or services (to redeem in person, just print and show your certificate).  Good luck!