Notes concerning “Construction”

• Notes and calculations on building luxury underground arcologies for whoever wants them 2013-04-17 (updated 2019-08-27) (66 minutes)
• Improvising high-temperature refractory materials for pottery kilns 2013-05-17 (4 minutes)
• Waterproofing 2015-09-03 (4 minutes)
• Subterranean glazing 2016-09-06 (25 minutes)
• Pythagorean cement pipes for your shower singing 2019-09-08 (updated 2019-09-09) (7 minutes)