Tell us about yourself!
Brazilian Abandoned House Paper Model
No, you had it right. Hand washing is hygienic. The tank water is gray water from hand washing, and next flushing uses that water. The other commenter was the one which was "incorrect".
Clamp Forming Tool from a Caulking gun
ESP8266 ADC - Analog Sensors
ESP8266 ADC - Multiple Analog Sensors
ESP8266 mini Tutorial
Kitchen Physics - Measure the speed of light with chocolate!
Chimera: $60 DLP High-Res 3D Printer
Cherry- 60€ 3D-Printer
Painted Mattress Survival Boat
Plastic injection molding and extruding