Genetic Code http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/C/Codons.html
I Ching http://en.wikipedia.org/wiki/I_Ching ䷇䷄䷂䷀䷊䷌䷼䷶䷩
According to physics, space inside our universe is multidimensional.
There are 64 main dimensions and each dimension is further divided into many sub-dimensions. Since the inhabitants of earth can perceive three dimensions, their senses have no access to many other realms of universal reality.
It is said that through the ancient process of yoga (specifically kriya yoga) one can obtain access to many other dimensions. When a yogi obtains access to other dimensions, he can perform unusual activities.
A yogi can achieve 8 (eight) mystical perfections. Each perfection gives him access to 8 (eight) additional dimensions. Thus by achieving all eight perfections, a yogi obtains access to all the 64 (8x8) dimensions making his body unaffected by space time bound physical laws.
the octave and well tempered system (Bach) solfege
Sri Gautama Buddha's Noble 8-fold path
Comparative Cosmology, Akif Manaf
The term 64-bit is a descriptor given to a generation of computers in which 64-bit processors are the norm. 64 bits is a word size that defines certain classes of computer architecture, buses, memory and CPUs, and by extension the software that runs on them. 64-bit CPUs have existed in supercomputers since the 1970s http://en.wikipedia.org/wiki/64-bit_computing
64 squares to the chessboard
The '64 thousand dollar question' saying.
The planet Jupiter has 64 moons