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Did You Know There's a First Surface Mirror and other good project parts inside Rear Projection TV's? This is the third video in the "Did You Know" series. I dismantle and show what you can find and reuse from an old rear projection tv. I've used the mirrors for making kaleidoscopes and some of the front screen elements to make lamp shades in the past. Taking apart old appliances is a great way to get free supplies for your projects. TOOLS AND MATERIALS ▶ Milwaukee Drill combo Kit http://amzn.to/2cOGXaH ▶ RIDGID Bolt Cutter https://amzn.to/2PKGsOU (Amazon affiliate links help support the channel at no cost to you) FOLLOW: TWITTER: https://twitter.com/MakeBuildModify INSTAGRAM: https://www.instagram.com/makebuildmodify/ PINTEREST: https://www.pinterest.com/MakeBuildModify/ YOUTUBE: https://www.youtube.com/c/MakebuildmodifyTV FACEBOOK: https://www.facebook.com/MakeBuildModify/ G+: https://plus.google.com/+MakebuildmodifyTV/ WARNING: This video is only for entertainment purposes. If you rely on the information portrayed in this video, you assume the responsibility for the results. Always think ahead. Every project you try is at YOUR OWN RISK.
Both of the twin 20" quartz telescope mirrors are finished. Gordon puts the "A" disk on the test stand and shows how the Foucault test and the Ronchi test look. This mirror's test is reported by FigureXP to be better than /30th-wave, with a Strehl ratio better than 0.98. This is one of the mirrors that Gordon wrote about in the Cloudy Nights thread entitled "Making twin 20" quartz mirrors."
DIY telescope death ray. http://www.youtube.com/watch?v=FyCLOXF1188 This is the first in a series of tests for developing an optical telescope mirror from a strash can lid. The optical aberration is dramatically reduced with the addition of a shroud creating an f-stop for the mirror at the lens surface. The image was cast off axis on a piece of wafer board.
http://www.physicshelp.ca Free simple easy to follow videos all organized on our website.
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Glass cutting tools can save a lot of time and mistakes when working with optical mirrors. In this video, we show the tools we've been using for years to achieve perfect cuts from optical mirrors.
⟡ CUTTING TOOLS ⟡
🛒 Morton Glass Cutting System
🛒 Glass Score Wheel
🛒 Running Pliers
🛒 Sanding Block
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