Over on his YouTube channel our hacker [Jerry Walker] repairs a Tektronix 577 curve tracer. A curve tracer is a piece of equipment which plots I-V (current vs voltage) curves, among other things.

Queensland has ruled out any more single-use plastic bans beyond the straws, stirrers, plates and unenclosed bowls, cutlery, takeaway food containers, cotton buds, peanut packaging and ...