A switch for a living computer

Scientists build a transistor from DNA

By Stephen Ornes, 13:38 PM April 19, 2013

Computers are lifeless. They’re ordinarily built from metal, silicon, plastic and other materials. Those components work together to shuttle around the electricity needed to surf the Internet, watch videos or even do homework.

 

But why stick to the ordinary? Scientists are finding that computer parts can also be built from DNA. This long molecule contains genetic material and is found inside almost every living cell. It tells each cell which molecules to make. In March, researchers published a...

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