The cathedral in the Spanish city of Salamanca was constructed in and is therefore one of the oldest such constructions in the world. It features magnificent stone carvings on all its walls, but one of them is a bit more special than the others. It b
The Antikythera mechanism has been discovered to be a mechanical computer of an accuracy thought impossible in 80 BC, when the ship that carried it sank. Such sophisticated technologywas not thought to be developed by humanity for another 1,000 years. Its wheels and gears create a portable orrery of the sky that predicted star and planet locations as well as lunar and solar eclipses. The Antikythera mechanism, shown above, is 33 centimeters high and therefore similar in size to a large book.
The Madonna with Saint Giovannino and a UFO: This painting is called “The Madonna with Saint Giovannino”. It was painted in the 15th century by Domenico Ghirlandaio (1449-1494) and hangs as part of the Loeser collection in the Palazzo Vecchio. Above Mary’s right shoulder is a disk shaped object. Below is a blow up of this section and a man and his dog can clearly be seen looking up at the object.