Notes concerning “Facepalm”

• Barcode receipts 2007 to 2009 (6 minutes)
• A stack of coordinate contexts 2007 to 2009 (9 minutes)
• Food miles imply insignificant energy costs 2007 to 2009 (4 minutes)
• Predictions for future technological development (2008) 2008-04-19 (11 minutes)
• Steampunk spintronics: magnetoresistive relay logic? 2013-05-17 (15 minutes)
• Compression with second-order diffs 2014-04-24 (3 minutes)
• Plato was not particularly democratic; ἄρχειν is not “participating in politics” 2014-04-24 (5 minutes)
• Practically decodable random error correction codes with popcount 2015-07-01 (updated 2015-09-03) (6 minutes)
• Robust hashsplitting with sliding Range Minimum Query 2016-09-05 (7 minutes)
• Low-cost green thread locks 2016-09-06 (2 minutes)
• High academic achievement almost certainly depends more on tutoring than group averages by race or sex 2016-09-08 (3 minutes)
• La vibración del hierro, ¿es de baja frecuencia o qué? 2016-10-07 (3 minutes)
• Analogies between spring–mass–dashpot systems, electrical systems, and fluidic systems 2016-10-30 (4 minutes)
• The ultimate capacity of human memory if spaced-practice memorization works as advertised 2017-01-04 (updated 2017-01-08) (14 minutes)
• What’s wrong with CoAP 2017-06-15 (3 minutes)
• Nova RDOS 2017-06-15 (22 minutes)
• A quintuple-acting vacuum cascade to recycle heat for more efficient distillation and desalination 2017-06-21 (updated 2019-12-27) (3 minutes)
• Salt slush refrigeration 2017-08-22 (updated 2019-10-08) (12 minutes)
• Accelerating convolution and correlation with short periodic waveforms using OLAP marginal prefix sums 2018-06-05 (4 minutes)
• A simple virtual machine for vector math? 2018-11-06 (updated 2018-11-09) (15 minutes)
• What can you build out of 256-byte ROMs? 2018-12-02 (1 minute)
• A failed attempt to make squares cheaper to compute 2019-07-09 (updated 2019-07-11) (4 minutes)
• the oversold-as-low-power Renesas RL78 microcontroller line 2019-08-27 (10 minutes)
• What it means that HTML is “not a programming language”, and why the ignorant sometimes think otherwise 2019-09-09 (updated 2019-10-01) (24 minutes)