Ever wondered how the tiny processors in your phone or laptop are made? It all comes down to an ancient idea—writing on stone—taken to the most extreme level imaginable. 

Elliot Cheng is a Specialist Engineer in Nanolithography (aka tiny-stone-writing) at the University of Queensland’s Centre for Microscopy and Microanalysis. Using electron beams and extreme ultraviolet (EUV) lasers, he "prints" some of the smallest patterns in the world. This cutting-edge tech relies on quantum science and underpins the powerful, tiny computers we use every day.

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Due to audio issues, co-host Jacinta’s voice in this episode is redubbed by Isabella Means.