How a Legacy From the 1800s Is Making Tokyo Dark Today

A strange legacy of the Japanese power system’s infancy in the late 1800s is complicating efforts to keep Tokyo supplied with electricity. The problem, as explained by IDG News Service’s Martyn Williams, is that half of the country uses power whose current alternates at 60 Hz, while the other half gets its power at 50 Hz. […]

How a Legacy From the 1800s Is Making Tokyo Dark Today

Silicon Art Hidden Inside Samsung’s Galaxy Tab

Silicon chips have billions of transistors in every square inch. But sometimes there’s enough room left over for chip engineers to insert a little joke. While using a scanning electron microscope to examine the microcircuitry of a chip found in Samsung’s Galaxy Tab and Galaxy S phone, consulting company Chipworks discovered a surprise. Underneath six […]

Silicon Art Hidden Inside Samsung’s Galaxy Tab