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YELLOW LASERS?!? Finally - after 25+ years of collecting!

Welcome to what may very well be the most informative video on yellow lasers online. Simply because there aren't many yellow lasers around - making videos about them even rarer... After 25+ years of collecting lasers, I finally should have some too. Two new colors, supposed to be 561 nm and 591 nm, in the yellow gap between red and green. I will test their color (wavelength in nm) and power output. Are they as specified? Are they even yellow? This may depend on the eyes of the beholder. What do you think? My Patreon-page:   / brainiac75   Recommended videos: Desert Sun Lamps:    • Desert Sun Lamps! | My least healthy ...   Calculate laser lumens: What makes green lasers the BEST lasers?:    • What makes green lasers the BEST lasers?   Comparing the two laser power meters: HWLPM Mini 10W vs. Sanwu Tracer 20W:    • How bad is this cheap laser power met...   Did you miss one of my videos?:    / brainiac75   FULL MUSIC CREDITS Time code: 0:01 "Darkness is Coming" Kevin MacLeod (incompetech.com) ISRC: USUAN1100584 Looped by me. Time codes: 0:54 + 3:21 + 8:13 "Perspectives" Kevin MacLeod (incompetech.com) ISRC: USUAN1300027 Time code: 1:46 "Martian Cowboy" Kevin MacLeod (incompetech.com) ISRC: USUAN1100349 Time codes: 4:26 + 6:39 + 13:53 "Adding the Sun" Kevin MacLeod (incompetech.com) ISRC: USUAN1900041 Time code: 5:50 "Energizing" Kevin MacLeod (incompetech.com) ISRC: USUAN1900040 Time code: 9:38 "Long Note Three" Kevin MacLeod (incompetech.com) ISRC: USUAN1100424 Time code: 10:35 "Impact Lento" Kevin MacLeod (incompetech.com) ISRC: USUAN1100619 All music above licensed under Creative Commons: By Attribution 4.0 License http://creativecommons.org/licenses/b... Time code: 9:07 Mix of two tracks: 1) The Shimmering by fran_ky (freesound.org/s/237363) Licensed under Creative Commons 0 license 2) "Spacial Harvest" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 4.0 License http://creativecommons.org/licenses/b... ISRC: USUAN1100653 #Yellow #Laser