Show Me The Ropes


Tie us off, Scotty


A bit of Wide Angle Photography fun on The Embarcadero in San Francisco. These ropes were securing a retired Submarine and demonstrate the correct way to tie off a marine vessel. We were instructed and later drilled in all sorts of knot techniques as part of our Off Shore Sailing License course. There is a large variety of knots, each with properties that make it suitable for a range of tasks. Some knots are used to attach the rope (or other knotting material) to other objects such as another rope, cleat, ring, or stake. Some knots are used to bind or constrict objects. Decorative knots usually bind to themselves to produce attractive patterns.

Knot theory is a branch of topology. It deals with the mathematical analysis of knots, their structure and properties, and with the relationships between different knots. In topology, a knot is a figure consisting of a single loop, abstracted from any physical rope or line, with any number of crossing or “knotted” elements. As such, it has no proper ends, and cannot be undone or untied. Various mathematical techniques are used to classify and distinguish knots. For instance, the Alexander polynomial can be used to distinguish the trefoil knot from the figure-of-eight and the unknot (a simple loop).

Most of us are more familiar with the Granny Knot, Square (or Reef) Knot and the infamous Slip Knot! www.

3 responses

  1. I wasn’t really expecting a test today, I didn’t study! LOL I always knew there was a plethora of knots and types out there, I just didn’t know it was so scientific. Great post. I LOVE this picture and the wide angle lens you used here really creates a wonderful sense in this capture. Awesome picture here, Erik, I love it!

    June 22, 2011 at 1:43 pm

  2. Fantastic stuff here folks. Thanks for checkout out our site, and keep exploring.
    You’re right, some peeps do get carried away, but everything in moderation, I guess 🙂

    June 22, 2011 at 9:12 pm

  3. A test? That’s knot fair, however the image is excellent, love the blur on the background and the use of ultra wide, puts the knot in context wonderfully

    June 22, 2011 at 9:59 pm

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s