Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Troll, or moron?
Buy one of those $2 pointers. And dont post off topic on threads.
Is anyone interested in seeing another three-colour rainbow? If so, i'll post. Otherwise it seems a bit pointless.
Hey, i really love ur rainbow, and in the description u talk about 5 lines and then u got 6 at the first pic.Six different lasers that have been called blue. From left to right:
405(PHR)
445(casio)
weak 458nm line extracted from multiline argon with diffraction grating and mirror. Also commonly available in DPSS.
473(laserwave)
488 also extracted from multiline
multiline
To me, 458 looks the purest blue, followed by 473, followed by 445. Styrofoam to help distinguish colors:
And the high tech optical table I used:
Back by popular request... some of my backyard laser beam shooting... GH
PICTURE PICTURE PICTURE ETC