Uploads from Huygens Optics

Currently Playing: From Cooktop to Optical Part

This video shows how you can use the material from a cooktop to make zero-expansion glass-ceramic optical parts. CONTENTS 00:00 Intro 00:22 On glass-ceramics and thermal expansion 02:25 Cutting, grinding and optical polishing of Ceran and Robax 10:15 Optical configuration of a Newtonian telescope 12:18 Making a flat secondary 18:37 Making a parabolic primary mirror 30:40 A quick look through the "telescope" 31:54 Outro LINKS: Some images used are copyright of Schott, ESA and the Max Plank Institute: https://www.schott.com/en-nl/expertise/materials/glass-ceramic https://elt.eso.org/mirror/M2M3/ https://www.mpia.de/institute/research-and-development/telescopes-and-instruments DOWNLOADS: DFTfringe Interferometry software by Dale Eason: https://github.com/githubdoe/DFTFringe MUSIC: 08:25 "Sizzr" by Schwartzy taken from the Youtube music library 21:10 "Pump up the Jam" by Technotronic (short clip from https://www.youtube.com/watch?v=9EcjWd-O4jI). According to those in the know,THE most influential musical milestone of the 20th century: https://www.youtube.com/watch?v=-Su287HvJRQ 31:54 More to light by the Earlybirds and Liam F. (Trippy Joint Remix by Jerome) Special thanks to all Patrons who support the channel! Did I forget to mention you here? Please let me know and I will set it straight