In this fascinating conversation, cosmologist and TED Fellow Katie Mack delves into everything from the Big Bang theory to what we see at the edge of the observable universe to a few ways the cosmos might end. Stay tuned to hear Mack...

Inventor Dean Kamen lays out his argument for the Segway and offers a peek into his next big ideas (portable energy and water purification for developing countries).

Researchers at the University of Texas in Dallas have developed a groundbreaking method to create strong and flexible nanotube sheets that can convert light or waste heat into electricity. These nanotube sheets are thinner than a human...

In this video we look at chiller types and refrigerant compressor cooling technology within HVAC commercial refrigeration and provide an overview...

RTU Rooftop units explained. In this video we'll be looking at how RTU's work to learn HVAC engineering. We'll be starting with the basics and looking at different 3D models to cover the internal components such as dampers, fans,...

Case studies of companies saving money through reducing energy usage and purchasing renewable energy.