Ultra high efficiency LED light bubs and luminaires using a radically different patented method whereby a controlled constant current is generated from a zero voltage switched semi-resonant boost converter supplying a longer chain of small LED’s at very high power factor and virtually no EMI.
A simpler version of the telescope mounting shown here was first conceived as a father/daughter/son project at a local museum. The components were pre-cut and then later assembled in a class of about 8-10 scopes. This allowed parents and their children to learn how telescopes and mountings worked together.
vDesk is a cloud-based service that creates a “digital place” on the Internet for receiving and storing your important and personal information. vDesk is accessed by users (Subscribers) as a personal website where they can receive documents of many different types from a variety of sources.
Pathogens (including cholera bacterium) in drinking water and contaminated food cause infectious diarrhea, which contributes to the deaths of 3 million young children each year; Helminthic infections of multicellular organisms transmitted in water such as Lymphatic Filariasis affects more than 120 million people worldwide, mainly in India and Africa;
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