Findings:

• What's the Frequency Kenneth?
• Global Frequency
• ultra high frequency
• relative frequency
• frequency
• numerical frequency
• English Frequency Word List
• Radio Frequency Spectrum
• Larmor frequency
• medium frequency
• Resonant frequencies are cool
• Frequency modulation
• brain wave frequencies
• High Frequency Active Auroral Research Program
• Automatic Frequency Control
• doubling of the cube
• frequency (user)
• high frequency blade
• calling frequency
• Earth's frequency
• The allele frequency game
• Doubling
• Letter frequency in several languages
• gene frequency
• frequency analysis
• 7 hertz - the resonant frequency of a chicken's skull
• beat frequency
• frequency divider
• Radio Frequency Interference
• Fundamental frequency
• Skytrain Frequencies
• critical fusion frequency
• The frequency of blue
• Verb Doubling
• cyclotron frequency
• Radio Frequency
• So Many Frequencies
• natural frequency
• variable frequency drive
• doubling strategy
• Secret Service Frequencies by User Name
• frequency modulation synthesis
• Frequency Curve
• Microwave Frequency Band Designation System
• plasma frequency
• doubling rate
• VHF Cordless Telephone Frequencies
• Common Traffic Advisory Frequency
• frequency specter
• The Low Frequency in Stereo
• English language letter frequencies
• frequency distribution
• doubling cube
• radio frequency heating
• frequency spectrum
• Full Frequency Range Recordings
• Frequency domain
• Frequency hopping
• Nyquist frequency
• Frequencies
• frequency division multiplexing
• Clock frequency
• ultra low frequency
• What's The Frequency, Kenneth? (e2poll)
• resonant frequency
• carrier frequency
• The frequency of healed fractures in arboreal primates suggests an amazing resilience to serious injury

If you Log in you could create a "frequency doubling" node. If you don't already have an account, you can register here.