Notes concerning “Pricing”

• Duplicating Durham’s Rock-Hard Putty 02021-01-22 (updated 02021-01-27) (1 minute)
• The use of silver in solar cells 02021-02-02 (updated 02021-09-11) (8 minutes)
• Can you do direct digital synthesis (DDS) at over a gigahertz? 02021-02-08 (updated 02021-02-24) (30 minutes)
• Energy autonomous computing 02021-02-18 (updated 02021-12-30) (58 minutes)
• Panelization in PCB manufacturing 02021-02-25 (updated 02021-02-26) (7 minutes)
• A bargain-basement Holter monitor with a BOM under US$2.50 02021-04-07 (updated 02021-07-27) (33 minutes)
• Notes on pricing of locally available oscilloscopes 02021-04-16 (updated 02021-07-27) (2 minutes)
• Can you get JLCPCB to fabricate a CPU for you affordably from “basic” parts? 02021-04-17 (updated 02021-12-30) (9 minutes)
• Three phase logic 02021-04-30 (updated 02021-07-27) (9 minutes)
• Aluminum foil 02021-05-24 (updated 02021-09-11) (14 minutes)
• Ghetto electrical discharge machining (EDM) 02021-05-31 (updated 02021-12-30) (5 minutes)
• Broken hard disks are the cheapest source of ultraprecision components 02021-06-02 (updated 02021-06-12) (3 minutes)
• Notes on Richards et al.’s nascent catalytic ROS water treatment process 02021-07-07 (updated 02021-07-27) (14 minutes)
• Spreadtool 02021-07-10 (updated 02021-12-30) (30 minutes)
• Potential local sources and prices of refractory materials 02021-07-14 (updated 02021-09-11) (9 minutes)
• Fiberglass CMCs? 02021-07-15 (updated 02021-07-27) (8 minutes)
• Leaf vein roof 02021-07-16 (updated 02021-09-11) (9 minutes)
• SHS of magnesium phosphate 02021-07-22 (updated 02021-07-27) (3 minutes)
• Material observations 02021-07-29 (updated 02021-12-30) (194 minutes)
• Dipropylene glycol 02021-08-01 (updated 02021-08-15) (2 minutes)
• The ayurvedic “fire mud” of Bhudeb Mookerji and modern castable refractories 02021-08-05 (updated 02021-08-15) (22 minutes)
• Arc maker 02021-08-07 (updated 02021-12-30) (11 minutes)
• Argentine pricing of PEX pipe and alternatives for phase-change fluids 02021-08-07 (updated 02021-12-30) (2 minutes)
• Power transistors 02021-08-07 (updated 02021-12-30) (12 minutes)
• Methane bag 02021-08-10 (updated 02021-08-15) (8 minutes)
• Recursive bearings 02021-08-23 (updated 02021-12-30) (1 minute)
• Dense fillers 02021-08-25 (updated 02021-12-30) (7 minutes)
• Switching kiloamps in microseconds 02021-09-09 (updated 02021-12-30) (1 minute)
• Spot welding 02021-09-09 (updated 02021-12-30) (8 minutes)
• PBKDF content addressing with keyphrase hashcash: a non-blockchain attack on Zooko’s Triangle 02021-10-08 (24 minutes)
• Beyond overstrike 02021-10-10 (updated 02021-12-30) (13 minutes)
• Ranking MOSFETs for, say, rapid localized electrolysis to make optics 02021-10-11 (updated 02021-12-30) (8 minutes)
• An even simpler offline power supply than a capacitive dropper, with a 7¢ BOM 02021-10-14 (updated 02021-12-30) (7 minutes)
• Triggering a spark gap with low jitter using ultraviolet LEDs? 02021-10-20 (updated 02021-10-23) (8 minutes)
• Implementation and applications of low-voltage Marx generators with solid-state avalanche breakdown? 02021-10-20 (updated 02021-12-31) (39 minutes)