Yes, Ann, Berkeley was a bit more mature than the typical hippie ghetto -- although Telegraph had its hippie ghetto flashbacks. What I loved most about Berkeley during the early 70s was the music. Live music was everywhere, and it was all great. It was in the clubs, the coffeee houses, the bars, the theaters, even the parks.
Although plastics make up only about 11% of all US municipal solid waste, many are actually more energy-dense than coal. Converting these non-recycled plastics into energy with existing technologies could reduce US coal consumption, as well as boost domestic energy reserves, says a new study.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.