Venice versus The Sea

Venice versus The SeaThe Venitians put down roots-on a cluster of islands in a lagoon at the north end of the Adriatic Sea-by driving alder and oak piles into the sandy ground. atop these foundations they built homes and palaces and began a battle against...

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Buoyancy Archimedes

Some objects, when placed in water, float, while others sink, and still others neither float nor sink. This is a function of buoyancy. We call objects that float, positively buoyant. Objects that sink are called negatively buoyant. We refer to object...

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Cremona Diagram

The Cremona diagram is a graphical method used in statics of trusses to determine the forces in members (graphic statics). The method was created by the Italian mathematician Luigi Cremona.In the Cremona method, first the external forces and reactions...

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Full Tilt of Pisa's Leaning Towers

Full Tilt of Pisa's leaning towers - yes, there are several-the famous one is the least likely to people. That's because an 11-year restoration effort, involving three years of painstaking soil removal, has successfully steadied the precariously poised...

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