If you're new to the Mac ecosystem (maybe you've recently made the switch from Windows), nobody would blame you for mistaking the friendly-looking rainbow-colored spinning wheel for something benign.

Just a few feet away sat a mustard-colored 1975 Chevy pickup with a food garden growing in its bed. This is Omaha’s truck farm, an initiative that seeks to educate the city’s kids in the ways ...

Eventually, Roebling devised a system to spin six wires simultaneously — color coded to prevent confusion. Six wires at a time had the spinning wheels guiding as much as 1,000 miles of wire ...

With the wheel now free spinning, the team is elated to see the mechanical advantage is such that spinning the shaft by hand is enough to cause a very slight rotation of the pulley and cables ...