Asbestos in the air: a housing boom stirs up natural asbestos in California

Article Abstract:

Increased housing development in the Sierra foothills of Northern California has exposed the threat of asbestos poisoning from the asbestos-rich hills of the area. High levels of tremolite and other high-asbestos rocks are present in the area. The need for legislation regulating naturally-occurring asbestos is highlighted, and state reforms in Virginia and California are considered.

Health aspects, Environmental aspects, Housing development, Asbestos dust, Asbestos fibers, Quarries and quarrying, Asbestos fibres, Quarrying

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Maglev: a new approach; the Inductrack promises a safer, cheaper system for magnetically levitating trains. The same technology can also be used to launch rockets

Article Abstract:

Magnetic levitating trains, in theory, can provide increased safety and efficiency for train transportation, even though early projects in Japan and Germany have experience difficulties. The Inductrack passive system, being developed at Lawrence Livermore Laboratories, may avoid these difficulties.

Planning, Innovations, MAGLEV vehicles, Magnetic levitation vehicles, High speed ground transportation, High speed trains, Ground transportation

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50, 100 & 150 years ago

Article Abstract:

News of around 50, 100 and 150 years ago is presented. Radioactive food of May 1954, the clock made of flowers at St. Louis in May 1904 and Orca in May 1854 is described.

Japan, Electric services, Hydroelectric Power, Hydroelectric Power Generation, Watch, Clock, and Part Manufacturing, Use of energy, Louisiana, Other Personal and Household Goods Repair and Maintenance, Watch, clock, and jewelry repair, Watch, Clock & Jewelry Repair, Clocks & Timing Devices, Usage, Energy use, Influence, San Francisco, California, Clocks and watches, Clocks, Nuclear fusion, Water-power, Radioactive fallout, 1954 AD, 1904 AD

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