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When you enter into any new area of science, you almost always find
yourself with a baffling new language of technical terms to learn before you can converse with the experts. This is certainly true in astronomy both in terms of terms that refer to the cosmos and terms that describe the tools of the trade, the most prevalent being the telescope. So to get us off of first base, let’s define some of the key terms that pertain to telescopes to help you be able to talk to them more intelligently. The first area of specialization in telescopes has to do with the types of telescopes people use. The three designs of telescopes that most people use are the Refractor, the Reflector and the Schmidt Cassegrain telescope. The refractor telescope uses a convex lens to focus the light on the eyepiece. The reflector telescope has a concave lens which means it bends in. It uses mirrors to focus the image that you eventually see. The Schmidt Cassegrain telescope uses an involved system of mirrors to capture the image you want to see. A binocular telescope uses a set of telescopes mounted and synchronized so your view of the sky is 3-D. Beyond the basic types, other terms refer to parts of the telescope or to the science behind how telescopes work. Collimation is a term for how well tuned the telescope is to give you a good clear image of what you are looking at. You want your telescope to have good collimation so you are not getting a false image of the celestial body. Aperture is a fancy word for how big the lens of your telescope is. But it’s an important word because the aperture of the lens is the key to how powerful your telescope is. Magnification has nothing to do with it, its all in the aperture.
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Police raided a forger’s workshop in Rome. They found dozens of pieces, including fake Picassos and Rembrandts
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Italian police have seized dozens of forged artworks attributed to famous artists such as Picasso and Rembrandt in what authorities have called a “clandestine painting laboratory.”
The investigation, led by the Carabinieri Command for the Protection of Cultural Heritage, the country’s arts and culture police, and coordinated with the Rome prosecutor’s office, started when authorities began searching for fraudulent works that had been put for sale online, according to a press release issued by the police.
Police said they found a total of 71 paintings, adding that the suspect was selling “hundreds of works of dubious authenticity” on sites like eBay and Catawiki.
Paintings attributed to the likes of Pablo Picasso and Rembrandt Harmenszoon van Rijn were among the works of art.
There were also forged pieces purporting to be from Mario Puccini, Giacomo Balla and Afro Basaldella, as well as several other celebrated artists.
The workshop where the paintings were being produced was located by police to a house in one of Rome’s northern neighbourhoods.
Authorities arrived to find a room set up solely for the production of counterfeit paintings. Among the materials seized by the police were hundreds of tubes of paint, brushes, easels, along with falsified gallery stamps and artist signatures.
The suspect, described by authorities as a “forger-restorer,” was even in possession of a typewriter and computer devices used to create paintings and falsify certificates of authenticity for the fraudulent pieces.
One tactic the suspect used was to collage over auction catalogues, replacing the painter’s original work with an image of the fake art he created, police said. This would give the appearance that the fake painting had been the real one all along.
Police also found various works still in the process of being made on the forger’s table bearing the signatures of different artists – leading them to believe that the suspect had created them recently.
This is far from the first time that Italian authorities have unearthed forged artworks. Established in 1969, the Carabinieri art police are specialized in combatting crimes relating to arts and culture.
In 2023, they recovered thousands of artifacts stolen from graves and archaeological digs.
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