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Bucolic landscape featuring pastureland covered in stones arranged in circular and straight formations, and nearby wind turbines

Sardinia’s Ancient Reasons for Rejecting a Clean Energy Future

How a deep distrust of outsiders keeps the island stuck on coal

18 min read
A large NASA rocket on a launch pad.

Back to the Moon

IEEE Spectrum examines the United States’ and China’s efforts to land on the moon
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The May 2026 issue is here!

IEEE members exclusive: Enjoy your PDF download, and access articles online to start conversations with fellow readers and IEEE Spectrum editors
Person walking on city sidewalk wearing a full-leg robotic exoskeleton suit
Abstract pastel circuit design with binary zeros, arrows, and concentric digital shapes

Better Hardware Could Turn Zeros into AI Heroes

Sparse computing enables leaner, faster AI

9 min read
A photo collage of a woman in a hijab, protests in Iran, a satellite, satellite dishes, and the words You are not connected to the internet.

Stealth Signals Are Bypassing Iran’s Internet Blackout

Files hidden in satellite TV broadcasts keep information flowing

10 min read