Findings:

• constant
• constant multiple
• Planck's constant
• gravitational constant
• cosmological constant
• Euler's number
• The Constant Lover
• Kaprekar's Constants
• Capacitor Time Constant
• Stefan-Boltzmann constant
• slowly varying constant
• Fundamental Physics Constants
• shapes of constant width
• Brun's constant
• Boltzmann's Constant
• Universal Gas Constant
• Time is Not a Constant
• universal constant
• seismic constant
• connective constant
• empirical constant
• Einstein's Constant
• Constant Bitrate Encoding
• a constant sense of login
• constant velocity joint
• Hubble Constant
• dimensionless constants
• Pain and beauty, our constant bedfellows. Young as I was, I understood.
• Malachi Constant (user)
• historical constant
• Riggs Constant
• Stradivarius' constant
• Faraday Constant
• spring constant
• Man of Constant Sorrow
• Constant Shading
• Constant Comment
• Eponymous constants
• The only constant is change
• Equilibrium Constant Expression
• Cigarettes are my personal proverbial Planck's Constant
• solar constant
• Archimedes' Constant
• Champernowne Constant
• Euler-Mascheroni Constant
• constant wave
• Euler's constant
• coupling constant
• Characteristics of Equilibrium Constants
• Masking as generous love of life his constant torpid violence
• edge isoperimetric constant
• vertex isoperimetric constant
• Fine structure constant
• Constant Shallowness Leads to Evil
• dielectric constant
• Eliminating arbitrary constants by calculus
• Equilibrium constant
• Freiman's Constant
• Richardson's constant
• Diffusion constant
• acid dissociation constant
• Ion Product Constant
• dissociation constant
• Verdet Constant
• constant folding
• Apéry's Constant
• Turing's constant
• The Constant Reader
• base dissociation constant
• constant region
• Kierkegaard's Constant Christianity
• Benjamin Constant
• Constant Angular Velocity
• Constant Linear Velocity
• The Constant Gardener
• Feigenbaum constant
• Chaitin's constant
• a constant, low wind trembles through him, catching his words and sending them out into the world
• fine tuning of the fundamental constants and the anthropic principle
• the constant disappointment of eschatologists waiting eagerly for the end of the world
• Planck's constant and Planck's Reduced Constant
• Fine-Structure Constant
• The constant vigilance of SRS
• WC-135 Constant Phoenix
• rate constant
• All music is in Champernowne Constant
• Wadsworth Constant
• constant speed propeller
• This constant eventuality
• moments are fixed; transformation is constant
• Jenny's constant
• Lizardman's Constant
• Constant Joy and remembrance

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