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A Balance for Measuring Electrons

A new way to measure electron movement may be a precursor to building better quantum computers

2 min read
A Balance for Measuring Electrons

Image: McGill University

9 June 2010—A team of researchers at McGill University, in Montreal, has found a way that allows them to measure the movement of individual electrons going in and out of semiconductor structures called quantum dots—a trick that could help make future quantum computers possible.

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The Transistor at 75

The past, present, and future of the modern world’s most important invention

2 min read
A photo of a birthday cake with 75 written on it.
Lisa Sheehan
LightGreen

Seventy-five years is a long time. It’s so long that most of us don’t remember a time before the transistor, and long enough for many engineers to have devoted entire careers to its use and development. In honor of this most important of technological achievements, this issue’s package of articles explores the transistor’s historical journey and potential future.

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