The December 2022 issue of IEEE Spectrum is here!

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Nobel Prize Puts Blue LEDs in Spotlight

IEEE Spectrum’s ongoing coverage of blue LEDs provides context for the advances that were honored by the 2014 Nobel Prize in Physics

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Nobel Prize Puts Blue LEDs in Spotlight
Photo: UCSB
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The Transistor at 75

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

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A photo of a birthday cake with 75 written on it.
Lisa Sheehan

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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