Notes concerning “Contrivances”

• Optimized finger joints 02020-05-16 (4 minutes)
• Solar furnace CPC 02020-05-16 (12 minutes)
• Slide rule addition 02020-06-22 (3 minutes)
• Trying to drive a speaker with a buck converter 02020-06-29 (4 minutes)
• Retro teletext 02020-07-18 (updated 02020-07-23) (18 minutes)
• Machine teeth 02020-08-02 (updated 02020-12-31) (8 minutes)
• Inductively-coupled plasma torches 02020-09-10 (5 minutes)
• Oxygen generator rocket 02020-09-10 (1 minute)
• The programmable world 02020-09-10 (0 minutes)
• Spark gap logic 02020-09-20 (updated 02020-12-16) (25 minutes)
• Aluminum-air batteries 02020-09-23 (4 minutes)
• Modern material processing 02020-09-24 (updated 02020-09-26) (8 minutes)
• Level shifter 02020-10-08 (updated 02020-10-10) (9 minutes)
• A seamless CMG-driven walker 02020-10-11 (updated 02020-10-12) (6 minutes)
• Rigid glider 02020-10-12 (1 minute)
• VGA oscilloscope? 02020-10-13 (5 minutes)
• Wire machines 02020-10-13 (updated 02020-12-31) (12 minutes)
• Thermistors, resistance temperature detectors, and other thermal sensors 02020-10-14 (updated 02020-11-06) (12 minutes)
• Atkinson differential blower 02020-10-14 (updated 02020-12-31) (10 minutes)
• Oscillating flexion 02020-10-15 (updated 02020-10-16) (11 minutes)
• Minimal cost computer 02020-10-23 (updated 02020-12-01) (12 minutes)
• Abbe-limited DRO 02020-10-24 (updated 02020-12-31) (11 minutes)
• Desiccant climate control 02020-10-27 (updated 02020-11-24) (31 minutes)
• Pit firing 02020-11-06 (3 minutes)
• Swashplate screwdriver 02020-11-06 (1 minute)
• Thermal expansion speaker 02020-11-06 (1 minute)
• Copper segelín 02020-11-06 (updated 02020-11-08) (19 minutes)
• Alien screws 02020-11-06 (updated 02020-11-11) (4 minutes)
• Cutting steel with steam 02020-11-11 (1 minute)
• Improvised humidity sensors with PET dielectric spectroscopy 02020-11-11 (3 minutes)
• Adiabatic separation 02020-11-12 (updated 02020-11-14) (14 minutes)
• The rep-2 cuboid 02020-11-13 (5 minutes)
• Capacitor meter 02020-11-16 (updated 02020-12-03) (26 minutes)
• Oscilloscope superresolution via compressed sensing? 02020-11-17 (1 minute)
• Relay buzzer 02020-11-23 (2 minutes)
• Lava time capsule 02020-11-24 (8 minutes)
• Lenticular air bearing 02020-11-24 (2 minutes)
• A field-programmable RTL array: a more efficient alternative to FPGAs? 02020-11-26 (updated 02020-11-27) (11 minutes)
• A reverse-biased diode thermometer 02020-11-27 (9 minutes)
• My very first opamp 02020-11-27 (4 minutes)
• Majority logic with DRAM sense amps 02020-12-09 (30 minutes)
• Yablochkov arc cutter 02020-12-09 (1 minute)
• Light pen latency 02020-12-23 (updated 02020-12-28) (29 minutes)
• Differential dividing plate 02020-12-31 (14 minutes)