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IEEE Edison Medal Goes to Fellow Ursula Keller

She has made several groundbreaking innovations to compact ultrafast lasers

2 min read
Photo: IEEE
Photo: IEEE

THE INSTITUTEIEEE Fellow Ursula Keller is to receive the annual IEEE Edison Medal “for pioneering and fundamental contributions to and leadership in useable, compact ultrafast laser technology, enabling applications in metrology, sensing, and biophotonics.”

Ultrafast lasers produce short pulses of light, typically less than 1 picosecond. Keller’s innovations have pushed the frontiers of ultrafast laser science and technology.

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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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