A man stands on a beach next to a large metal contraption mounted on a tripod. At the end of the contraption, a long thin balloon is lifting into the sky.

High-Tech Weather Balloons Provide Data to Weather AI

Autonomous weather balloons surf the winds to collect needed data

12 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.

The October 2025 issue is here!

IEEE members exclusive: Enjoy your PDF download, and access articles online to start conversations with fellow readers and IEEE Spectrum editors
IEEE Spectrum's October 2025 cover featuring "The Scale Issue" with article titles.
A laser shining on a computer chip covered in snow

You Can Cool Chips With Lasers?!?!

Startup plans to cool data centers by converting heat to light

9 min read
Roomba vacuum signed by iRobot team, showing control buttons, on wooden floor.

iRobot's Focus Group Changed Everything

Joe Jones describes how the Roomba came to be

9 min read