Technology

DIY Vacuum Tube

DIY Vacuum Tube

Sébastien Bourdeauducq of /tmp/lab visited PWL, a “one-man vacuum tube laboratory” headed up by Aleksander Zawada. He starts the triode by assembling the grid. To do this, he takes a piece of nickel wire, and soldered a small spiral of molybdenum wire on it – one turn and one solder at a time. He uses […]

The JelTone, an Edible Toy Piano

This edible piano was created by NYC Resistor members Astrida Valigorsky, Ranjit Bhatnagar, Mimi Hui, and Catarina Mota. As part of our experiments we realized that jello and fruit, which contain a lot of water, are conductive. Embedded in each jello/fruit key is a sterling silver pin (food safe) connected to an Arduino microcontroller underneath […]