Bjorn Carey

Popular Science editor Bjorn Carey brings you the SciKu of the Week

Trash those CDs? Never! Let Bjorn and his 5-minute dumbbells pump you up

Reports out of NORAD that Santa is altering this year’s route around the world raise suspicions

The Uno accelerates with a simple lean and turns like a street bike on side-by-side wheels

Rumors of a much-anticipated 3G version abound as reports surface of shortages at Apple stores

See an interactive animation inside

Stop pulling your hair out. A new projection system based on the wisdom of crowds brings you simplified statistical goodness

A judge's ruling to cut down trees that block solar panels is just the tip of the iceberg for a growing conflict in California

The military shows interest in a new material that's 30 times as dark as the current standard—but it's good for solar panels too!

Despite the three gold gloves, multiple forms of statistical analysis show that "the Captain" is the worst-fielding shortstop in the Majors