Notes concerning “Materials”
Air conditioning
2007 to 2009 (22 minutes)
The economics of solar energy
2007 to 2009 (27 minutes)
Notes and calculations on building luxury underground arcologies for whoever wants them
2013-04-17 (updated 2013-05-17) (67 minutes)
Improvising high-temperature refractory materials for pottery kilns
2013-05-17 (4 minutes)
A resistive-capacitive trackpad made from garbage and three ADC microcontroller pins
2013-05-17 (updated 2013-05-20) (17 minutes)
Holographic archival
2014-04-24 (10 minutes)
Inflatable stool
2014-04-24 (6 minutes)
An extremely simple electromechanical state machine
2014-04-24 (17 minutes)
Archival transparencies
2014-06-05 (updated 2014-06-29) (8 minutes)
A mechano-optical vector display for animation archival
2014-12-28 (updated 2015-09-03) (28 minutes)
Simplified computing, down to the level of mining raw materials
2015-09-03 (22 minutes)
Waterproofing
2015-09-03 (4 minutes)
Powder bed 3d printing
2015-09-11 (updated 2019-05-28) (10 minutes)
Hot wire saw
2015-12-28 (updated 2015-12-30) (9 minutes)
Material merits
2016-05-08 (6 minutes)
US$10M for a new, much better McMurdo Base, or less
2016-05-18 (updated 2016-05-19) (7 minutes)
Spring energy density
2016-05-28 (updated 2016-06-06) (13 minutes)
Phase-change heat reservoirs for household climate control
2016-06-14 (updated 2016-06-17) (14 minutes)
Thermodynamic systems in housing
2016-06-28 (24 minutes)
String cutting cardboard
2016-06-30 (5 minutes)
Flux deposition for 3-D printing in glass and metals
2016-07-03 (16 minutes)
How would you maximize the energy density of a capacitor?
2016-07-27 (6 minutes)
Electroluminescent matrix
2016-07-27 (2 minutes)
Vitruvius could have taken photographs
2016-07-30 (1 minute)
Executable scholarship, or algorithmic scholarly communication
2016-08-11 (14 minutes)
Solar dehumidifier
2016-08-11 (5 minutes)
Hot oil cutter
2016-08-16 (updated 2016-08-17) (8 minutes)
Heckballs: a laser-cuttable MDF set of building blocks
2016-08-17 (updated 2016-08-30) (23 minutes)
Rosetta opacity hologram
2016-09-05 (8 minutes)
Regenerator gas kiln
2016-09-05 (updated 2017-04-10) (9 minutes)
Regenerative fuel air cutting
2016-09-06 (4 minutes)
Sun cutter
2016-09-06 (9 minutes)
House scrubber
2016-09-06 (updated 2018-05-05) (12 minutes)
Lithium fission energy
2016-09-06 (updated 2019-05-24) (6 minutes)
Filling hollow FDM things with other materials
2016-09-07 (5 minutes)
Laser ablation of zinc or pewter for printed circuit boards
2016-09-19 (4 minutes)
Cross current zone melting
2016-10-06 (1 minute)
Freeze distillation at 1 Hz
2016-10-06 (7 minutes)
3-D printing glass with continuously varying refractive indices for optics without internal surfaces
2016-10-06 (3 minutes)
Hot air ice shaping
2016-10-06 (4 minutes)
Spark particulate sieve
2016-10-06 (updated 2016-10-11) (6 minutes)
Recuperator heat storage
2016-11-01 (updated 2019-02-25) (3 minutes)
A design sketch of an air conditioner powered by solar thermal power
2016-12-22 (updated 2017-01-04) (29 minutes)
Clay fabrication objectives
2017-01-16 (updated 2017-01-17) (3 minutes)
Millikiln
2017-01-17 (updated 2017-03-02) (4 minutes)
3-D printing by flux deposition
2017-02-24 (updated 2017-02-25) (16 minutes)
An electric furnace the size of a sake cup
2017-02-25 (updated 2017-03-02) (10 minutes)
Passive dehumidifier
2017-03-20 (14 minutes)
Ice pants
2017-04-04 (updated 2019-01-22) (18 minutes)
¿Se puede armar un colector solar de agua caliente que anda en invierno acá en Buenos Aires?
2017-04-17 (2 minutes)
Ideas to explore
2017-05-29 (4 minutes)
Fast sea salt evaporator
2017-06-01 (3 minutes)
A quintuple-acting vacuum cascade to recycle heat for more efficient distillation and desalination
2017-06-21 (3 minutes)
Coolants
2017-07-04 (updated 2017-07-12) (11 minutes)
Pipe dome
2017-07-19 (7 minutes)
Approaches to 3-D printing in sandstone
2017-08-03 (5 minutes)
Salt slush refrigeration
2017-08-22 (updated 2018-04-26) (1 minute)
Deep freeze
2017-08-22 (updated 2019-01-22) (6 minutes)
Absurd household materials
2018-04-26 (updated 2018-05-18) (8 minutes)
A brief note on autonomous cyclic fabrication systems from inorganic raw materials
2018-04-27 (1 minute)
Data archival on gold leaf or Mylar with DVD-writer lasers or sparks
2018-04-27 (5 minutes)
Laser cut next step
2018-04-27 (updated 2018-04-30) (8 minutes)
Exploration of using RF current sources instead of ELF voltage sources for mains power
2018-04-30 (updated 2018-07-05) (29 minutes)
Notes on a possible household air filter
2018-05-05 (updated 2018-05-15) (10 minutes)
You can stuff a UHMWPE hammock in your wallet
2018-05-15 (updated 2018-10-28) (11 minutes)
UHMWPE clothes could be lightweight and sturdy
2018-06-05 (3 minutes)
Why is there so much anti-plastic sentiment? Visibility, Arcadian primitivism, conspicuous consumption, and profit.
2018-06-21 (7 minutes)
Notes on circuitry for the Nutra seed activator
2018-08-16 (20 minutes)
Caustics
2018-08-18 (updated 2018-11-04) (8 minutes)
Electrolytic anodizing, with a small movable electrode
2018-10-28 (2 minutes)
Household thermal stores
2018-12-02 (27 minutes)
Friction-cutting plastic
2019-02-25 (8 minutes)
Ultralight tunnel personal rapid transit
2019-03-11 (15 minutes)
Single-point incremental forming of aluminum foil
2019-03-11 (updated 2019-05-09) (7 minutes)
Elastic metamaterials
2019-03-19 (17 minutes)
Paper foil relays
2019-04-02 (updated 2019-04-24) (11 minutes)
Maximal-flexibility designs for printable building blocks
2019-04-20 (18 minutes)
Plastic cutters
2019-04-20 (5 minutes)
Cold plasma oxidation
2019-05-01 (7 minutes)
Scrubber mask
2019-05-08 (5 minutes)
A phase-change soldering iron
2019-05-08 (updated 2019-05-09) (14 minutes)
Inductor thermocouple sensing
2019-06-01 (18 minutes)