News of bacteria engineered with an electronic switch, Naomi Koh Belic and Noushin Nasiri talk about science communication, Michelle Simmonds explores how transistors work at the quantum level in 2002, Sound and facts checked by Charles Willock, Produced and hosted by Ian Woolf Vote for Diffusion! Support Diffusion by making a contribution bitcoin: 1AEnJC8r9apyXb2N31P1ScYJZUhqkYWdU2 ether: 0x45d2cd591ff7865af248a09dc908aec261168395