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May 21, 2022 9:00 AM
Steelmaking is a major source of emissions. These companies are racing to fix it.
May 20, 2022 6:00 PM
Featured in December 2008
Dec 04, 2008
A Silent Electric Plane
An electric plane that cruises silently at 70 mph and costs just 70 cents to charge
Nov 26, 2008
Bush’s Tropical Paradise
The president sets in motion the largest ocean preserve ever—but will industry kill it?
Nov 20, 2008
The Bamboo Builder
Yan Xiao found a way to turn China’s abundant and fast-growing bamboo fields into buildings and bridges
Nov 19, 2008
Curtains That Can Handle a Hurricane
Presenting the winner of Popular Science's Grand Award in Home Technology
Nov 17, 2008
A Dad Who Fought Back
When Brian Hart lost his son to a roadside ambush in Iraq, he channeled his grief into creating an affordable robot that defuses bombs so the troops don’t have to
