Please try again later. This is a brief (under 5 minutes) tour of how my Roku works. I might have gotten some of the technical information (specifically, how the data gets to my TV set), but I think it does a pretty decent job of showing you what you can expect from a Roku player. 1  Autos & Vehicles. 2  Standard YouTube License.
Energy security. Energy security is the association between national security and the availability of natural resources for energy consumption. Access to cheap energy has become essential to the functioning of modern economies. However, the uneven distribution of energy supplies among countries has led to significant vulnerabilities. Renewable resources and significant opportunities for energy efficiency exist over wide geographical areas, in contrast to other energy sources, which are concentrated in a limited
This is the Energy Xchange, conversations about how energy connects to the economy, national security, and sustainability. Helping you to understand a changing world. Thanks for joining us. Iâm Jan Mueller. On todayâs show, energy security. For decades, presidents and pundits have talked about the importance of energy security as a vital national goal. Very few have bothered to define what the term really means and what achieving it would actually entail. Thatâs because energy security is complicated and multidimensional. It goes beyond oversimplified notions of energy self-sufficiency or energy independence. Itâs about where energy comes from, but itâs also about the cost, reliability, sustainability, and scale of our energy use.