Advice for stirring your online community and fostering engagement
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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ขายบุหรี่ iqos ราคาถูก
By Andrius Sytas
Comment LinkVILNIUS, Feb 21 (Reuters) - Lithuania's tobacco regulator believes Philip Morris's new electronic smoking
device should be subject to the same advertising restrictions as tobacco, potentially
dealing a blow to a product the company has touted as the future of smoking.
Although the tobacco giant only risks a fine of up to 2,896 euros ($3,560) if it is found
guilty of breaching Lithuanian advertising law, the case could have
far-reaching consequences if it prompts regulators elsewhere to follow suit.
The Lithuanian watchdog is challenging Philip Morris
International Inc's assertion that its iQOS device is an electronic product, and so should not be regulated like tobacco.
"After a six-month investigation, we could suspect that advertising of the iQOS device constitutes a possible indirect advertising of tobacco products, because this device can only be used to smoke tobacco products," Jurgis Kazlauskas, tobacco and alcohol control chief at the regulator, told Reuters.
The device, part of a $3 billion-plus investment by Philip Morris in new-generation smoking platforms, is designed to heat tobacco to a high
enough temperature to create a vapour but not smoke.
The firm says it is a novel device, different from other e-cigarettes that are often already subject to regulations.
Kazlauskas said Philip Morris had been notified of its possible violation of Lithuanian advertising law, and that the regulator was expected to issue its final ruling in a month.
Philip Morris representatives were not immediately available for comment.
The iQOS has been promoted extensively in Lithuania, and has stores on the main streets of its largest towns.
The tobacco product used in the iQOS heating device,
also sold by Philip Morris but branded as Heets, is already a subject to advertising restrictions similar
to regular cigarettes.
Earlier this month, ten U.S. senators called on the Food and Drug Administration (FDA) to reject Philip Morris's application to market the iQOS
as less risky than cigarettes.
They cited a Reuters report in December that detailed shortcomings in the training and professionalism of some of the lead investigators in the clinical trials submitted to the FDA
by Philip Morris, the maker of Marlboro cigarettes.
($1 = 0.8123 euros) (Reporting by Andrius Sytas; Editing by Johan Ahlander and Mark Potter)
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