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FEATURES
MUSIC AND THE UNSOLVED PARADOX OF PYTHAGORAS
Violin Building and the World of Harmonic Sound • full pdf
by Caroline Hartmann
Intervals in classical musical performance cannot be expressed by a predetermined mathematical ratio, nor can the building of great musical instruments be reduced to a formula.
Appendix 1
On the Causes of the Different Colors of the Scale
"A Completely Pure Music Is Absolutely Impossible"
Appendix 2
The Construction of the Violin's Vaulting Curves
CLIMATE AND KEPLERIAN PLANETARY DYNAMICS
The 'Solar Jerk,' the King-Hele Cycle, And the Challenge to Climate Science
Rhodes W. Fairbridge
A senior Earth scientist divulges some little-known discoveries in planetary dynamics, and how they may affect Earth's climate.
EXPEDITION ARES
Inroduction: Krafft Ehricke's Manned Mission to Mars
Marsha Freeman
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