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IEEE Spectrum is the flagship publication of the IEEE — the world’s largest professional organization devoted to engineering and applied sciences. Our articles, videos, and infographics inform our readers about developments in technology, engineering, and science.
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Access Thousands of Articles — Completely Free

Create an account and get exclusive content and features:Save articles, download collections, andpost comments — all free! For full access and benefits, subscribe toSpectrum.

We’re Measuring Data Center Sustainability Wrong

Current metrics optimize only 30% of IT emissions

17 Feb 2026
4 min read
A pile of discarded old phones
Circular and spiral tracks are shown as light blue lines against a darker blue background. 

AI Hunts for the Next Big Thing in Physics

There's a crisis in particle physics. Researchers hope AI can help.

03 Feb 2026
18 min read
Person in blue suit examines illuminated server racks in a dimly lit room.

This Former Physicist Helps Keep the Internet Secure

Serendipity led Alan DeKok to a career in network security

16 Feb 2026
4 min read
Comsol Logo

Estimating Surface Heating of an Atmospheric Reentry Vehicle With Simulation

Learn how heat flux gauges are validated using inverse analysis techniques

17 Feb 2026
Still image from a 3D animation of NASA's Perseverance Rover driving over Mars' rough terrain.

NASA Let AI Drive the Perseverance Rover

Across two days, the rover drove 456 meters without human control

15 Feb 2026
3 min read

The Scale Issue

Humanity’s greatest challenges require us to radically scale up our ingenuity
See the full report →
Bold graphic text listing scientific and everyday units: light-years, kilograms, dollars, pascals, IQ, basepairs, scale, terawatt-hours, meters, gigatonnes, degrees Celsius, and wonder.
Close-up of MicroVision's Movia S lidar unit.

Can Lidar Become Affordable for All Cars?

MicroVision says its sensor could one day break the $100 barrier

14 Feb 2026
5 min read
Robot collective crawls under a bridge of rocks, with glowing lights; video speed increased 10x.

Robot Collective Stays Alive Even When Parts Die

Your weekly selection of awesome robot videos

13 Feb 2026
3 min read

The February 2026 issue is here!

IEEE members exclusive: Enjoy your PDF download, and access articles online to start conversations with fellow readers andIEEE Spectrum editors
IEEE Spectrum cover featuring lunar project, figure standing against a large moon backdrop.
Close-up of an illuminated plus sign made out of nano-scale LED lights.

LEDs Enter the Nanoscale

But efficiency hurdles challenge the smallest LEDs yet

12 Feb 2026
4 min read
"Quanscient logo in bold, blue-purple letters on a transparent background."

How AI Accelerates PMUT Design for Biomedical Ultrasonic Applications

Neural networks trained on 10,000 FEM simulations deliver reliable performance forecasts.

08 Jan 2026
Illustration of a smart watch with an eye ball displayed on the screen.

FDA Clarifies Wearable Device Rules

Simpler rules apply to less invasive hardware

12 Feb 2026
4 min read
Moltbook's beta social network for AI agents displayed on smartphone screen. A person's thumb hovers over the "I'm a human" button seen next to one that reads "I'm an agent".

AI Agents' Social Network Heralds Their Messy Future

Moltbook shows off AI agents—but can we trust their skills?

12 Feb 2026
5 min read
Smiling portrait of Brad Knox standing outside on a college campus.

AI Companions Create New Burdens and Benefits for Users

Brad Knox researches the benefits and risks of AI companions

11 Feb 2026
7 min read
A man wearing a head-to-toe suit posing for a photo and displaying the strapping system that connects his cloves to his jacket. 

This $5,200 Conductive Suit Makes Power Line Work Safer

Anti-induction gear protects workers from deadly electric current

13 Jan 2026
4 min read
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