Think of them as volume knobs for our genes, turning them up or down as needed. All our cells contain the same number of DNA letters called bases – there’s about 3 billion. These tiny little ...

A rotary encoder is used as a volume knob, and a Neopixel ring is used for visual feedback as to the device being controlled and the current volume level. Further work was done to improve ...

This analog computer can multiply ... To multiply a number you set the needles on the first two knobs to the numbers on which you are operating. To find the result turn the third knob until ...