All photos courtesy of Michael Grab/Gravity Glue
Canadian-born photographer and performance artist Michael Grab began exploring the ancient discipline of rock balancing in the summer of 2008 while hiking around Boulder Creek in Boulder, Colorado. It has since become a daily meditative practice for him, and it's not uncommon for him to draw small crowds of spectators as he creates these meticulous, ephemeral installations.
"I am constantly in awe at the stillness, let alone possibility, of such precarious formations, amidst sometimes very turbulent conditions," Grab explains on his website, Gravity Glue. "For me, this reflects our own potential to maintain a still-point amidst the variety of challenges we each face throughout our lives."
So how does he do it? Many of his seemingly gravity-defying sculptures look so out of this world that you might think adhesives, wires or other external supports were used, but Grab says that the only thing that holds these objects in equilibrium is gravity.
Watch the video below for a brief demonstration of Grab's balancing skills in action:
The technique behind balancing rocks is a fairly simple concept. Like the legs of a tripod, rock balancers rely on the support of naturally corresponding contact points — such as the natural grooves or indentations — to serve as supportive "legs" for their stacked sculptures. Even large, unwieldy rocks can be balanced in precarious positions as long as there are at least three solid contact points to prop them up.
Grab's best advice for beginner stone balancers is to "get to know" the rocks before attempting to stack them: "Some rock characters will coordinate better with others, vice versa, back, forth, right, left, up, or down. The trick I’ve found is to play and experiment."
Continue below for more examples of Grab's work from the past couple years, and be sure to follow the Gravity Glue Facebook page for more updates!
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