Topic profile page for Light source.
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Topic "Light source" was discussed 13,766 times on 2,062 sites in last 3 months
Started 4 days, 16 hours ago (2009-12-06 15:24:00)
by ShaneHeres
Hey kirupa, I'm using shapes drawn to sprites to try and get a fog of war effect. Basically, I have a large black rectangle that goes over the screen as darkness, and I need to have multiple towers that have vision fields that would cancel out the darkness. I'm using masks too, but I can't get the right effect. Any suggestions?
Started 5 days, 7 hours ago (2009-12-06 00:30:00)
by ntenny
I had a strange experience in the darkroom this evening. I was contact printing a 5x7 negative, which perhaps has lowish contrast but not to an extreme degree. I had a couple of tries at printing it on Ilford MGIV, with a 7.5W bulb pointed at the ceiling, which I've found I have to do if I want exposure times longer than a few seconds. The results, not to put too fine a point on it, sucked;...
Started 6 days, 12 hours ago (2009-12-04 19:19:00)
by crestonrv
i stumbled on a co. in calif. that specializes in off the grid lighting ect... The info is out in the shop i will try to post it tommorrow on the sources page. if you want to be sure to get this info pm me and will send it direct.
Started 1 week, 3 days ago (2009-11-30 18:02:00)
by matt_crouch
1. The problem statement, all variables and given/known data Let Cw be the speed of light through water at rest. Water is now flowing at speed v parallel to the x axis according to one observer, and there is also a light source moving with the water at speed v 1) what is the speed at which the light source sends light signals in the downstream ...
Started 1 week, 6 days ago (2009-11-27 14:47:00)
by mommyr
I am selling a LED Portable light souce unit by Sheer vision that has 2 battery packs , it is untethered so you can move from chair to chair without being plugged. Works well, hardly used, i only used it when I was doing endo and I no longer need it. Bought for $65o inc. taxes and shipping, willing to sell for $400, the clip is compatible with orascoptic loupes, i believe you can buy a ...
Started 2 weeks, 4 days ago (2009-11-22 10:27:00)
by drpull
For those of you looking for a flashlight application that uses the droid's LEDs, MotoTorch is a great option. Installs as a widget. One touch turns on the lights, another touch turns them off. Dims the screen quickly. Can also be used to turn on the LEDs for capturing video (which you cant do otherwise). Pretty cool app!
Started 3 days, 22 hours ago (2009-12-07 09:11:00)
by regor23
Forever did narrow minded people try to reject whatever scientific facts coming to light. Again in 2009, for subjective unjustifyable reasons or by pure lack of intelligence, some people do try to negate the obvious (climate changes and its source). Just to remind an historic fact here is an example of other such behaviors: Galileo's championing of Copernicanism was controversial within...
Started 5 days, 17 hours ago (2009-12-05 14:04:00)
by mortonphotographic
I have used the 2million candle power lights for a long time. They work fine and the light is kinda orange. You can gel 'em blue to balance or adjust your white balance, depending on what you are doing. I paint with them, cars and motorcycles... I have never used them stationary as a hot light, but I guess it could work. I don't think they are all the powereful though. Anyway,...
Started 4 days, 21 hours ago (2009-12-06 10:11:00)
by ntenny
Thanks for the help, everyone. It sounds like the bounce really is at fault. I'll try to cook up some sort of arrangement for reducing the light---I hesitate to put something over the printing frame, because then I can't see the image to dodge/burn, but I think I can rig something to hold a sheet of plexi up at the light itself. -NT
