Working in a vacuum

Article Abstract:

In creating a vacuum, reduced size and an absence of surface friction are critical to success. Care should be take to avoid implosion or at least, utilization of a shatterproof outer container should be employed. Sorption pumps are an ideal mechanism to make a properly functioning vacuum.

Methods, Vacuum

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PCR at home

Article Abstract:

A description of the work of Eva Harris who develops inexpensive techniques for the conduction of biomedical tests is presented. The importance of her work in the containment of epidemics in developing countries is discussed.

Prevention, Diseases, Influence, Personalities, Medical scientists, Harris, Eva

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When hazy skies are rising

Article Abstract:

The haze sensors with light-emitting diodes can be utilized to monitor air quality. An atmospheric haze sensor called the 'Visible Haze Sensor was developed by Forrest M. Mims, III. The design of the sensor is discussed.

Equipment and supplies, Design and construction, Sensors, Meteorological optics, Atmospheric optics

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