The Massive Proving Ground Where Extraordinary New Trains Are Tested

General Electric’s development team just completed a year of field-testing for the new Evolution Series Tier 4 locomotive. Some of the tests took place at the Federal Railroad Administration’s high-altitude testing circuit near Pueblo, Colorado at an elevation of 5,000 feet. These photographs capture the train’s… » 4/16/15 8:00pm 4/16/15 8:00pm

A Failed Lab Experiment Accidentally Invented a Replacement For Cement

As the world’s cities expand at faster and faster speeds, so does its use of cement. One oft-quoted statistic shows that China alone used as much cement in the last three years as the US used in the last 100. Just one problem: Cement is responsible for pushing a hell of a lot of carbon dioxide into the world. » 4/16/15 2:00pm 4/16/15 2:00pm

The World's First Self-Powered Video Camera Can Record Forever

It makes perfect sense. The sensors that capture images for a digital camera and the sensors that convert light into electricity for a solar cell rely on the same technology. So why not build a device with a sensor that does both, and create a self-powered video camera? Some Columbia University researchers … » 4/15/15 9:00am 4/15/15 9:00am

Why the Simple Aluminum Can Is Actually a Brilliant Piece of Engineering

You probably don’t give much thought to the aluminum can holding your sweet, sweet caffeine hit at lunch. But engineerguy Bill Hammack explains why the simple cylindrical can holding your Diet Coke is actually brilliantly designed and engineered for being both easy and cheap to produce, but also strong and… » 4/14/15 9:20am 4/14/15 9:20am