The double helix is commonly associated with DNA, a complex biological molecule containing genetic codes which interestingly is shaped like a magnetic field line, suggesting that it may even act as an antenna. Establishing that a magnetic field line is shaped like a double helix involves a series of step by step observations beginning with Newton's first law of motion and its geometrical connection to centrifugal force. Centrifugal force is inverse cube law hence suggesting the presence of a dipole field which in turn suggests that space is densely packed with tiny dipole orbits.
This article entitled "The Double Helix and the Electron-Positron Aether" speculates on the physical nature of space.
The tiny dipoles which exist everywhere are like two-pin electric power points. They are the source (and sink) of all energy and animation. They naturally self align into double helix vortex rings which constitute magnetic lines of force, which in turn provide the medium for the transmission of signals at the seed of light.