![Transistors are an essential building block used in almost every electronic device. Learn how small they can get in silicon wafers, GaAs wafers, and more. Transistors are an essential building block used in almost every electronic device. Learn how small they can get in silicon wafers, GaAs wafers, and more.](https://assets.website-files.com/60a3c1fc44c5715c395770e7/61a54016b1f8965d4c775378_transistorsize2.jpg)
Transistors are an essential building block used in almost every electronic device. Learn how small they can get in silicon wafers, GaAs wafers, and more.
![At just a single photon the world's smallest transistor has literally zero size – By Futurist and Virtual Keynote Speaker Matthew Griffin At just a single photon the world's smallest transistor has literally zero size – By Futurist and Virtual Keynote Speaker Matthew Griffin](https://i0.wp.com/www.fanaticalfuturist.com/wp-content/uploads/2016/06/article_molcomp.jpg?fit=1200%2C444&ssl=1&resize=350%2C200)
At just a single photon the world's smallest transistor has literally zero size – By Futurist and Virtual Keynote Speaker Matthew Griffin
![World's Smallest and Fastest Nano-excitonic Transistor Can Process Data at Light's Speed While Minimizing Heat Energy Loss | Science Times World's Smallest and Fastest Nano-excitonic Transistor Can Process Data at Light's Speed While Minimizing Heat Energy Loss | Science Times](https://1721181113.rsc.cdn77.org/data/images/full/45961/worlds-smallest-and-fastest-nano-excitonic-transistor-can-process-data-at-lights-speed-while-minimizing-heat-energy-loss.jpg)
World's Smallest and Fastest Nano-excitonic Transistor Can Process Data at Light's Speed While Minimizing Heat Energy Loss | Science Times
![Transistors are an essential building block used in almost every electronic device. Learn how small they can get in silicon wafers, GaAs wafers, and more. Transistors are an essential building block used in almost every electronic device. Learn how small they can get in silicon wafers, GaAs wafers, and more.](https://assets.website-files.com/60a3c1fc44c5715c395770e7/61a53fd0b21fc78201d911a0_Depositphotos_191674624_L%20(1).jpg)