Submissions from johndcook.com

		RSA as a special case of pairing-baed cryptography (johndcook.com)
		2 points by ibobev 61 days ago \| past
		Adding an imaginary unit to a finite field (johndcook.com)
		27 points by ibobev 63 days ago \| past \| 5 comments
		Weighting an average to minimize variance (johndcook.com)
		104 points by ibobev 64 days ago \| past \| 57 comments
		Elementary Symmetric Polynomials and Optimization (johndcook.com)
		2 points by ibobev 65 days ago \| past
		Four Generalizations of the Pythagorean Theorem (johndcook.com)
		2 points by ibobev 65 days ago \| past
		Weighting an Average to Minimize Variance (johndcook.com)
		2 points by azhenley 67 days ago \| past
		Brownian Motion and Riemann Zeta (johndcook.com)
		3 points by ibobev 69 days ago \| past
		Heron's Formula for Spherical Triangle (johndcook.com)
		3 points by ibobev 70 days ago \| past
		Rolling Correlation (johndcook.com)
		3 points by ibobev 70 days ago \| past
		How Much Is a Gigawatt? (johndcook.com)
		2 points by certifiedloud 72 days ago \| past
		Japanese Polygon Theorem (johndcook.com)
		1 point by ibobev 74 days ago \| past
		Tetrahedral Analog of the Pythagorean Theorem (johndcook.com)
		24 points by ibobev 74 days ago \| past \| 1 comment
		The Anti-Smith Chart (johndcook.com)
		2 points by ibobev 76 days ago \| past
		Impedance and Triangular Numbers (johndcook.com)
		5 points by ibobev 77 days ago \| past
		Text case changes the size of QR codes (johndcook.com)
		178 points by ibobev 78 days ago \| past \| 52 comments
		Cross Ratio (johndcook.com)
		2 points by ibobev 78 days ago \| past
		Why and how Bitcoin uses Merkle trees (johndcook.com)
		2 points by ibobev 79 days ago \| past
		Freshman's Dream (johndcook.com)
		2 points by ibobev 79 days ago \| past
		Physical Keys and Encryption Keys (johndcook.com)
		1 point by ibobev 79 days ago \| past
		How to mentally calculate logarithms base 2 (johndcook.com)
		1 point by ibobev 79 days ago \| past
		An ancient generalization of the Pythagorean Theorem (johndcook.com)
		2 points by ibobev 79 days ago \| past
		Physical Keys and Encryption Keys (johndcook.com)
		4 points by pavel_lishin 80 days ago \| past \| 1 comment
		How blocks are chained in a blockchain (johndcook.com)
		16 points by ibobev 82 days ago \| past
		Spacing the Circles on the Smith Chart (johndcook.com)
		2 points by ibobev 83 days ago \| past
		987654321 / 123456789 (johndcook.com)
		3 points by ibobev 83 days ago \| past
		How blocks are chained in a blockchain (johndcook.com)
		68 points by tapanjk 83 days ago \| past \| 32 comments
		987654321 / 123456789 (johndcook.com)
		637 points by ColinWright 84 days ago \| past \| 107 comments
		Random Spherical Coordinates (johndcook.com)
		2 points by ibobev 84 days ago \| past
		Spacing the Circles on the Smith Chart (johndcook.com)
		2 points by tzury 84 days ago \| past
		How to make a Smith chart (johndcook.com)
		169 points by tzury 86 days ago \| past \| 33 comments
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