The business was contracted by Swank Enterprises to do build the double-helix spiral staircase at the Many Glacier Hotel. A double-helix staircase is being installed at Many Glacier Hotel on the ...

This half-scale model of a spiral staircase by American studio Matter Design is made from concrete treads that slip neatly over each other. Above and top: photograph by Brandon Clifford The Helix ...

To ensure there were no television-style dramas, the team had a "dress rehearsal" during which a prototype of a section was ... area of a single spiral stair. The double helix twisted-ladder ...

Each DNA molecule is actually a pair of strands wound together, forming a double helix. To make a protein ... showing DNA looking like an abstract spiral staircase. But reality is far messier.

Others say no, it took quite a little time. But the stair did grow, rising solidly in a double helix without support of any kind and without nail or screw. The floor space used was minimal and the ...

The Helix' would be 350 feet tall, with two walkable paths that spiral up the building's exterior ... "When I saw that, first was to do a double take. It was striking," he said.