DrBob

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Provider of mostly optics related stuff. You may mail me at bwp(at)mellish.org.uk.

Articles I have a major interest in

Articles I have a minor interest in

Other articles I have provided figures for

To do list


If you want a figure an article, let me know here. I can do technical diagrams (e.g. lens, rainbow) and chemical structures (benzene, caffeine).


Welcome to Wikipedia, Dr.Bob!

I see that you are making interesting additions, specially in electronics and optics related articles. -- AstroNomer---- Yes, welcome, Dr. Bob! Thanks for your good work here. --Larry Sanger


Thank you for the warm welcome, guys. -- DrBob


Hey, great to have you on board! Could you please check over color and refractive index? I wrote those but I'm not an expert, I just asked around on usenet. Thanks --AxelBoldt


They look OK to me, I may make some minor revisions to clarify a few points --- DrBob


Hi, I did most of electromagnetic spectroscopy. Do you know why continuous spectrum arise? (I left a note where it needs to be explained). thanks - sodium


Hi, sodium recommended that I came to your with a question I have concerning cis/trans isomerism. Am I right is assuming that cis/trans isomerism is dependant on the atomic mass of the functional groups? For example, in the case of 1,2 dichloro ethene, would the fact that it exhibited geometric isomerism be dependant on the isotopes of the two chlorine atoms being equal? Thanks! Ddroar - Thanks for your answer, sounds logical to me, just something that bothered me, really.