Transistor

Proton-based transistor could let machines communicate with living things

"Materials scientists at the University of Washington have built a novel transistor that uses protons, creating a key piece for devices that can communicate directly with living things. The study is published online this week in the interdisciplinary journal Nature Communications.

Part-Human, Part-Machine Transistor Devised

Man and machine can now be linked more intimately than ever, according to a new article in the journal ACS Nano Letters. Scientists have embedded a nano-sized transistor inside a cell-like membrane and powered it using the cell's own fuel.

The research could lead to new types of man-machine interactions where embedded devices could relay information about the inner workings of disease-related proteins inside the cell membrane, and eventually lead to new ways to read, and even influence, brain or nerve cells.

Seven Atom Transistor

The transistor is the foundation for the semiconductor industry and all of our modern electronic miracles. The ability to shrink transistors has led to cheaper and faster electronic devices, as well as solid state storage and digital photography.

Australian researchers have now created the world's smallest transistor, consisting of only seven atoms arranged into a single silicon crystal. It is fully functional and can regulate and control the flow of electrical current, despite being only 4nm across.

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