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Transistor from a single atom? Shin - didn't you read what you wrote? What about all the other stuff that had to be added to make a the phosphorus atom a functioning transistor? The phosphorus atom might be the single critical component in the transistor, but it would not function without it's silicon bed of many silicon atoms. Thus the phosphorus atom by itself if does not represent a functioning freestanding transistor "made of one atom." Reporters should really take more logic classes and focus on greater accuracy in their communication skills.