Advice for stirring your online community and fostering engagement

by Super User

Oct 12, 2017

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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Advice for stirring your online community and fostering engagement

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Why this small city is the ‘eyeglasses capital’ of Japan
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Japan is famed for its skilled artisans, masters who maintain a commitment to tradition while modernizing production techniques in line with the development of new materials and processes.

Many places in the country have grown famous by focusing on specific crafts, from exquisite kimonos to perfectly designed knives. Among them is the small city of Sabae, in Fukui prefecture, about a 3.5-hour train ride from Tokyo.
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It’s widely known as Japan’s eyeglasses capital – and for good reason. Sabae produces over 90% of the frames manufactured in the country, according to the local government. Signs and objects shaped like eyeglasses can be found on city streets, and there’s even a museum and festival devoted to spectacles.
The art of making spectacles
Sabae, located on Japan’s main Honshu island near the city of Fukui, has been producing quality eyewear for more than a century.

It all started in 1905, when a local government official invited skilled eyeglasses artisans to come to the city to teach their craft, an attempt to create new opportunities for local farmers.

The move paid off. Today, Sabae has over 100 companies that collaborate to make pairs of glasses.

Though these studios use cutting-edge machinery to produce new frames made of metal and acetate, most stages still require the skilled hands and trained eyes of Sabae’s master artisans.

That includes Takeshi Yamae, a frame designer with Japanese brand Boston Club who has lived in the city for 17 years. He tells CNN one pair of glasses can involve more than 200 steps.

“I first design it, sketch it, then put it into my computer,” he says. “From the time I start designing, to the time I have the perfect product, it takes more than a year.”

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Advice for stirring your online community and fostering engagement

Advice for stirring your online community and fostering engagement

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