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 | | Builder's Block Crystal Lattice (Was Re: Chirality)
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| (...) I was contemplating the above, while I was sorting a bunch of these: (URL) So I made a couple of chiral bits: (URL) Which go together to form a roughly cubic shape and its enantiomer: (URL) Yet they also apear to be achiral if you orient them (...) (19 years ago, 26-Sep-05, to lugnet.build.schleim, lugnet.parts, lugnet.announce.moc, FTX)
| | | | | Re: It's here.
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| In lugnet.trains, Philippe Label wrote: (URL) (...) Look at the centre of the picture carefully. There's an old style white-coloured 9V battery box (8x4x2 studs) placed upside-down with the help of 2 1x2-1x4 brackets (note the grey strip adjecent (...) (19 years ago, 12-Sep-05, to lugnet.trains, lugnet.build.schleim, FTX)
| | | | | Re: Chirality
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| (...) Well, if you want to show the lone pair of electrons you could. (URL) is a link to a pdf. I didn't think that sending you a 385 kB e-mail message was sucha great idea:) I thought the model was a neat idea. Unfortunately, one of the reviewers (...) (19 years ago, 10-Sep-05, to lugnet.build.schleim, lugnet.parts, lugnet.edu)
| | | | | Re: Chirality
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| (...) Excellent Chris, what did you use for the bonds and what did you use for the atoms. And were you also able to show double covalent bonds. (which is something that would be hard to show) I would love to read the article if you want. I get so (...) (19 years ago, 9-Sep-05, to lugnet.build.schleim, lugnet.parts, lugnet.edu)
| | | | | Re: Chirality
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| (...) [snip] (...) Actually, you can model Lewis Structures* with LEGO too. I sent an article describing the LEGO-Lewis Model to the Journal of Chemical Education, but they rejected it :( A reviewer suggested that I re-write the "article" as an (...) (19 years ago, 9-Sep-05, to lugnet.build.schleim, lugnet.parts, lugnet.edu)
| | | | | Re: Chirality
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| (...) [snip] (...) Nah, you don't have to use a new piece (URL) [1] Chris 1. (URL) (19 years ago, 9-Sep-05, to lugnet.build.schleim, lugnet.parts)
| | | | | Re: Chirality
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| (...) And we would call them what..... Yes! Diastereomers :) (...) not to the pedantic (...) Chris (19 years ago, 9-Sep-05, to lugnet.build.schleim, lugnet.parts)
| | | | | Re: Chirality
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| Hey, Awesome post! Larry has a point with the text on the studs, but when I teach symmetry and chirality and talk about everyday objects I always put in the caveat "this baseball has such-and-such symmetry properties, igoring all imperfections and (...) (19 years ago, 9-Sep-05, to lugnet.build.schleim, lugnet.parts, FTX)
| | | | | Re: Chirality
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| (...) LOL! I'm a chemist in my day job, so I made (URL) this>, but I didn't tackle tetrahedral shapes. (URL) Professor Dean Campbell of Bradley University teaches (URL) chemistry with LEGO> and has some tetrahedral shapes, though they are pretty (...) (19 years ago, 9-Sep-05, to lugnet.build.schleim, lugnet.parts, FTX)
| | | | | Re: Chirality
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| (...) There are also some DNA models (chiral superstructure) in Brickshelf : (URL) (19 years ago, 9-Sep-05, to lugnet.build.schleim, lugnet.edu)
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