jadesfire: Bright yellow flower (Buffy - Dawn/blah blah blah)
jadesfire ([personal profile] jadesfire) wrote2007-10-05 01:32 pm

Stuff

Just a few bits and pieces that I've been meaning to post for a while:

For the Londoners among you (whether in exile or just passing through). Time Out London are holding a writing competition. 300 words about London, and the title must include the name of a real London street. Full details here.




For the artists among you. [livejournal.com profile] tardis_bigbang needs you!

Photo Sharing and Video Hosting at Photobucket

We really need more artists to sign up for the Big Bang challenge. Even if we only get half the number of stories that have been proposed, we're still about 30 artists short. I know a lot of you are already signed up as writers, but if you think you're going to be done early, or feel like taking on a double challenge, why not sign up for art as well? It doesn't have to be an epic video - cover art, sketches and anything else you feel like doing are more than welcome!

Sign-ups don't close til March, so you've got lots of time to think about it!




For the clever people among you. What happens to colours when you shine a blue light on them? Blue's presumably going to stay blue, but what about green? Or flesh colours? Or any other colours, come to that? Enquiring minds need to know...
xwingace: (Default)

[personal profile] xwingace 2007-10-05 01:21 pm (UTC)(link)
In colour theory, light is primarily composed of three colours: blue, green, and red. White light results if each is present with equal intensity. A blue object is one that absorbs green and red light but reflects blue. (In reality, white light is obviously a continuous spectrum, but the basic idea still works)

If you shine a blue light on anything that doesn't reflect blue light, it's going to appear black. If it *does* reflect blue to some extent, you're going to see a lighter or darker shade of blue (/gray) depending on how much of the light is reflected. In the case of flesh-tones, this tends to produce some corpse-like skintones, especially on light-skinned people. Green is also likely to appear black-ish.

I think. This is physics/art, not chemistry :-)

XWA

[identity profile] jadesfire2808.livejournal.com 2007-10-05 01:31 pm (UTC)(link)
Okay, that makes sense. I have recently been grapping with quantum physics, string theory and the electromagnetic spectrum, so this sounds relatively simple in comparison! I guess I'm just wondering how much blue green would reflect. And red...and things like that. I can fudge it (I'm certainly fudging the quantum stuff!) but I like to know these things :) So people look dead, most stuff is going to look black. Neat.
ext_52603: (Otto Hahn and Lise Meitner)

[identity profile] msp-hacker.livejournal.com 2007-10-05 01:30 pm (UTC)(link)
Blues will stay blues. Reds and Greens will shift closer to black. Yellow and Orange will shift to black as well as those are made up of red and green in the eye. Purples will shift more to blue.

In essence, anything that is made of blue light will be blue. Everything else will be black.

Fleshtones are blusish/blackish. Or at least they are on Doctor Who. = )

[identity profile] jadesfire2808.livejournal.com 2007-10-05 01:35 pm (UTC)(link)
See, I knew you guys would know :) That's great, thanks. Just what I needed.

[identity profile] pinkamethyst.livejournal.com 2007-10-05 05:40 pm (UTC)(link)
Ooh, that London thing sounds cool. I might give it a go. :)

[identity profile] jadesfire2808.livejournal.com 2007-10-06 09:16 am (UTC)(link)
It looks great. Although 300 words isn't very many...