Submissions from johndcook.com

		Weighting an Average to Minimize Variance (johndcook.com)
		2 points by azhenley 32 days ago \| past
		Brownian Motion and Riemann Zeta (johndcook.com)
		3 points by ibobev 34 days ago \| past
		Heron's Formula for Spherical Triangle (johndcook.com)
		3 points by ibobev 35 days ago \| past
		Rolling Correlation (johndcook.com)
		3 points by ibobev 35 days ago \| past
		How Much Is a Gigawatt? (johndcook.com)
		2 points by certifiedloud 38 days ago \| past
		Japanese Polygon Theorem (johndcook.com)
		1 point by ibobev 39 days ago \| past
		Tetrahedral Analog of the Pythagorean Theorem (johndcook.com)
		24 points by ibobev 40 days ago \| past \| 1 comment
		The Anti-Smith Chart (johndcook.com)
		2 points by ibobev 42 days ago \| past
		Impedance and Triangular Numbers (johndcook.com)
		5 points by ibobev 42 days ago \| past
		Text case changes the size of QR codes (johndcook.com)
		178 points by ibobev 43 days ago \| past \| 52 comments
		Cross Ratio (johndcook.com)
		2 points by ibobev 43 days ago \| past
		Why and how Bitcoin uses Merkle trees (johndcook.com)
		2 points by ibobev 45 days ago \| past
		Freshman's Dream (johndcook.com)
		2 points by ibobev 45 days ago \| past
		Physical Keys and Encryption Keys (johndcook.com)
		1 point by ibobev 45 days ago \| past
		How to mentally calculate logarithms base 2 (johndcook.com)
		1 point by ibobev 45 days ago \| past
		An ancient generalization of the Pythagorean Theorem (johndcook.com)
		2 points by ibobev 45 days ago \| past
		Physical Keys and Encryption Keys (johndcook.com)
		4 points by pavel_lishin 45 days ago \| past \| 1 comment
		How blocks are chained in a blockchain (johndcook.com)
		16 points by ibobev 48 days ago \| past
		Spacing the Circles on the Smith Chart (johndcook.com)
		2 points by ibobev 48 days ago \| past
		987654321 / 123456789 (johndcook.com)
		3 points by ibobev 48 days ago \| past
		How blocks are chained in a blockchain (johndcook.com)
		68 points by tapanjk 49 days ago \| past \| 32 comments
		987654321 / 123456789 (johndcook.com)
		637 points by ColinWright 50 days ago \| past \| 107 comments
		Random Spherical Coordinates (johndcook.com)
		2 points by ibobev 50 days ago \| past
		Spacing the Circles on the Smith Chart (johndcook.com)
		2 points by tzury 50 days ago \| past
		How to make a Smith chart (johndcook.com)
		169 points by tzury 51 days ago \| past \| 33 comments
		Generating Random Points in Colorado (johndcook.com)
		3 points by ibobev 53 days ago \| past
		Turning trig identities into Fibonacci identities (johndcook.com)
		1 point by ibobev 55 days ago \| past
		Distribution of Correlation (johndcook.com)
		2 points by ibobev 55 days ago \| past
		Ode to Fisher's Transform (johndcook.com)
		1 point by ibobev 56 days ago \| past
		Distribution of Coordinates on a Sphere (johndcook.com)
		2 points by ibobev 56 days ago \| past
		More