ABSTRACT: The eruption of Kilauea in Hawaii is the latest example of the active role of volcanoes on the Earth. This presentation will present research on what makes certain volcanoes explosive and others gentle. I will also present research on ancient volcanoes in Virginia. Some of  these volcanoes are well understood in terms of plate […]

Every first Friday of the month, we hold an open board meeting for the benefit of our members. Here you can contact us with your questions, create ideas and hopefully together with us, give substance to our plans for the future.   During every open board meeting you will find a screen above the water […]

"Analog Computing Devices" A spectrum of devices that were used for a thousand or more years before the modern electronic computer, including the abacus, astrolabe, quipu, slide rule, the Antikythera device, Babbage's calculators, and other tools used to calculate and compute numbers and dates and positions or record them Phil will show and describe them […]