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
Solar energy is radiant light and heat from the sun that supports life on this planet. The amount of energy released by the sun is immense and we are using only a fraction of this energy.he sun's energy is immense and shared with the earth. Harnessing that energy can help protect the delicate balance of our environment. Solar energy is important not just for what it can be harnessed to do for us but in what it does not do as well.