Virtual dating crystal

Babylonian astronomers had developed arithmetical techniques for calculating astronomical phenomena; Greek astronomers such as Hipparchus had produced geometric models for calculating celestial motions.Ptolemy, however, claimed to have derived his geometrical models from selected astronomical observations by his predecessors spanning more than 800 years, though astronomers have for centuries suspected that his models' parameters were adopted independently of observations.His painting reflects the salon-style hang that was common in that era.In the Curate Your Own Exhibition interactive, visitors are challenged to choose a theme, wall color, and works of art from Crystal Bridges’ collection, to create their virtual gallery.Visitors can then share their galleries on Tumblr or via email.

Ptolemy's Handy Tables provided the model for later astronomical tables or zījes.

This exhibit is one of several on which Ideum and Crystal Bridges have collaborated; in 2015 alone we worked together on Landscapes Carry Meaning, the Frank Lloyd Wright Domestic Architecture Timeline, and the Warhol / Wyeth Interactive Photo Kiosk.

The Virtual Bar uses the latest science to help you not only get a better understanding of how different factors affect your blood-alcohol concentration – or BAC – on an individual level, but also can help you see how your night could go depending on the food you eat, the water you drink throughout the night, and other important variables.

It also helps give you a sense of how long it would take for your BAC to return to 0.00, which we think will surprise you.

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