| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| anothal3v3l23 | "Is the destroying angel bluest because of toxicity? " | Read more » | over 5 years ago | |||
| warren | "Great question -- I used tags to add the prompt for posting replications; if you're willing, would you mind posting your results using the button a..." | Read more » | about 8 years ago | |||
| cfastie | "You are correct that this is not really an extraction. It's just plant material chopped up finely in a blender with some liquid. I also did this wi..." | Read more » | about 8 years ago | |||
| iamkat | "Hi, I tried to re-create the lycopene extraction with methanol and ethanol (lab grade) but didn't get anywhere. It's my understanding that they are..." | Read more » | about 8 years ago | |||
| WhiteRabbit | "Interesting results! " | Read more » | over 10 years ago | |||
| WhiteRabbit | "Thank you for the very nice write-up. FWIW, it might be that you can get light in a narrower bandwidth from a point source than from an LED: http..." | Read more » | over 10 years ago | |||
| warren | "Yeah, i think it's spambots. I looked through the logs and saw 89 requests for this page from one IP; i'm sure a lot of the others are similar, esp..." | Read more » | about 11 years ago | |||
| warren | "I know some people use the magnetic film from floppy disks, and I think i have some, if you want to try. " | Read more » | about 11 years ago | |||
| cfastie | "3500 views in the last 10 hours. Your other note on the camboard tests also has 5k views. You must have the magic touch. However, none of your othe..." | Read more » | about 11 years ago | |||
| warren | "I'm really not sure where they're all from. I don't see anything in Google Analytics; i wonder if they're spambots, or what? Hey all -- speak up, w..." | Read more » | about 11 years ago | |||
| cfastie | "Jane is looking good. Do you have any more Janes? Congrats on the new fan club. You're getting 100-200 views per hour. I hope they are all friend..." | Read more » | about 11 years ago | |||
| nedhorning | "There are gel and glass NIR-block filters that you can buy that do a pretty good job at blocking visible light. There might also be some other free..." | Read more » | about 11 years ago | |||
| mrrg | "Is it not possible to eliminate the visible light? " | Read more » | about 11 years ago | |||
| warren | "I guess i should've made all the labels colored so they show up :-P " | Read more » | about 11 years ago | |||
| nedhorning | "My guess is that you would get the same effect that you get with a blue card if you used a gray card and then multiply the blue channel by a factor..." | Read more » | about 11 years ago | |||
| warren | "Definitely the IR and vis are mixing unmeasurably, but I'm wondering if the blue card contributes to the sum amount of light being reflected in the..." | Read more » | about 11 years ago | |||
| cfastie | "Jeff, Our goal is to have 1) a red channel which records how much NIR is reflecting from plants, and 2) a blue channel which records how much blue ..." | Read more » | about 11 years ago | |||
| cfastie | "Ned, The G11 photos in the panel above were recorded in camera raw. According to my naïve model of what camera raw does, it should be possible to t..." | Read more » | about 11 years ago | |||
| warren | "http://www.dunnedwards.com/PaintingContractors/ExploreColor/OrderColorSamples.aspx shows "Beautiful Blue" and hundreds of other paint card options...." | Read more » | about 11 years ago | |||
| mathew | "Nice work with the LEDs. Look forward to seeing the setup at the Barnraising. " | Read more » | about 11 years ago | |||
| mathew | "hmm... There are no paint sample cards available. Sounds like its time to buy a gallon and a roller. we have an opportunity to switch these out i..." | Read more » | about 11 years ago | |||
| warren | "I love the theory that the blue card is flooding the blue channel to minimize or outweigh or "wash out" the infrared from that channel. I think tha..." | Read more » | about 11 years ago | |||
| warren | "Boo, television chroma key suppliers... i really do suspect they just sell blue paper as "chroma key" because they sell it in big enough rolls. I h..." | Read more » | about 11 years ago | |||
| nedhorning | "This white balance stuff got me thinking. I don't think the white balance actually changes the amount of light recorded by the sensor but instead m..." | Read more » | about 11 years ago |